Q: What is the negative version of the number 21,210,401?
A: -21,210,401
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:
| 21,210,399 | 21,210,400 | 21,210,402 | 21,210,403 |
| -21,210,399 | -21,210,400 | -21,210,402 | -21,210,403 |