Q: What is the negative version of the number 221,510,241?
A: -221,510,241
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:
| 221,510,239 | 221,510,240 | 221,510,242 | 221,510,243 |
| -221,510,239 | -221,510,240 | -221,510,242 | -221,510,243 |