Q: What is the negative version of the number 21,218,631?
A: -21,218,631
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:
| 21,218,629 | 21,218,630 | 21,218,632 | 21,218,633 |
| -21,218,629 | -21,218,630 | -21,218,632 | -21,218,633 |