Q: What is the negative version of the number 211,815,561?
A: -211,815,561
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:
| 211,815,559 | 211,815,560 | 211,815,562 | 211,815,563 |
| -211,815,559 | -211,815,560 | -211,815,562 | -211,815,563 |