Q: What is the negative version of the number 21,331,221?
A: -21,331,221
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:
| 21,331,219 | 21,331,220 | 21,331,222 | 21,331,223 |
| -21,331,219 | -21,331,220 | -21,331,222 | -21,331,223 |