211022000489 has 2 divisors, whose sum is σ = 211022000490. Its totient is φ = 211022000488.

The previous prime is 211022000447. The next prime is 211022000521. The reversal of 211022000489 is 984000220112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124138542889 + 86883457600 = 352333^2 + 294760^2 .

It is a cyclic number.

It is not a de Polignac number, because 211022000489 - 2³² = 206727033193 is a prime.

It is not a weakly prime, because it can be changed into another prime (211022000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511000244 + 105511000245.

It is an arithmetic number, because the mean of its divisors is an integer number (105511000245).

Almost surely, 2^211022000489 is an apocalyptic number.

It is an amenable number.

211022000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022000489 is an equidigital number, since it uses as much as digits as its factorization.

211022000489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 211022000489 in words is "two hundred eleven billion, twenty-two million, four hundred eighty-nine", and thus it is an aban number.