Q: What is the negative version of the number 21,911,223?
A: -21,911,223
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:
| 21,911,221 | 21,911,222 | 21,911,224 | 21,911,225 |
| -21,911,221 | -21,911,222 | -21,911,224 | -21,911,225 |