Q: What is the negative version of the number 21,511,201?
A: -21,511,201
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:
| 21,511,199 | 21,511,200 | 21,511,202 | 21,511,203 |
| -21,511,199 | -21,511,200 | -21,511,202 | -21,511,203 |