Q: What is the negative version of the number 21,221,411?
A: -21,221,411
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,221,409 | 21,221,410 | 21,221,412 | 21,221,413 |
| -21,221,409 | -21,221,410 | -21,221,412 | -21,221,413 |