Q: What is the negative version of the number 21,121,405?
A: -21,121,405
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:
| 21,121,403 | 21,121,404 | 21,121,406 | 21,121,407 |
| -21,121,403 | -21,121,404 | -21,121,406 | -21,121,407 |