Factslap: Zillion is not a number, but a noun. It means means very large number. Here are the real names of numbers, and the zeroes that follow them.
Here is the scale of math:
| Name (number) | Number (zeros behind that number) |
| Million | 1 x 10 6 |
| Billion | 1 x 10 9 |
| Trillion | 1 x 10 12 |
| Quadrillion | 1 x 10 15 |
| Quintillion | 1 x 10 18 |
| Sextillion | 1 x 10 21 |
| Septillion | 1 x 10 24 |
| Octillion | 1 x 10 27 |
| Nonillion | 1 x 10 30 |
| Decillion | 1 x 10 33 |
| Undecillion | 1 x 10 36 |
| Duodecillion | 1 x 10 39 |
| Tredecillion | 1 x 10 42 |
| Quattuordecillion | 1 x 10 45 |
| Quindecillion | 1 x 10 48 |
| Sexdecillion | 1 x 10 51 |
| Septendecillion | 1 x 10 54 |
| Octodecillion | 1 x 10 57 |
| Novemdecillion | 1 x 10 60 |
| Vigintillion | 1 x 10 63 |
| Unvigintillion | 1 x 10 66 |
| Duovigintillion | 1 x 10 69 |
| Trevigintillion | 1 x 10 72 |
| Quattuorvigintillion | 1 x 10 75 |
| Quinvigintillion | 1 x 10 78 |
| Sexvigintillion | 1 x 10 81 |
| Septenvigintillion | 1 x 10 84 |
| Octovigintillion | 1 x 10 87 |
| Nonvigintillion | 1 x 10 90 |
| Trigintillion | 1 x 10 93 |
| Untrigintillion | 1 x 10 96 |
| Duotrigintillion | 1 x 10 99 |
| Ten-duotrigintillion (or Googol) | 1 x 10 100 |
| Skewer’s Number | 1 x 10 130 |
| Centillion | 1 x 10 303 |
| Googolplex | 1 x 10 10 100 |
| Skewes’ Number | 1 x 10 to the 10th power with 8.85 decillion zeros (approximated to indicate largest know measure in the universe) |
