211033022989 has 2 divisors, whose sum is σ = 211033022990. Its totient is φ = 211033022988.

The previous prime is 211033022983. The next prime is 211033023011. The reversal of 211033022989 is 989220330112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196169268100 + 14863754889 = 442910^2 + 121917^2 .

It is a cyclic number.

It is not a de Polignac number, because 211033022989 - 2⁷ = 211033022861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211033022983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105516511494 + 105516511495.

It is an arithmetic number, because the mean of its divisors is an integer number (105516511495).

Almost surely, 2^211033022989 is an apocalyptic number.

It is an amenable number.

211033022989 is a deficient number, since it is larger than the sum of its proper divisors (1).

211033022989 is an equidigital number, since it uses as much as digits as its factorization.

211033022989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 211033022989 in words is "two hundred eleven billion, thirty-three million, twenty-two thousand, nine hundred eighty-nine".