211122019113931 has 2 divisors, whose sum is σ = 211122019113932. Its totient is φ = 211122019113930.

The previous prime is 211122019113919. The next prime is 211122019113947. The reversal of 211122019113931 is 139311910221112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211122019113931 - 2⁴⁵ = 175937647025099 is a prime.

It is a super-2 number, since 2×211122019113931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211122019113631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561009556965 + 105561009556966.

It is an arithmetic number, because the mean of its divisors is an integer number (105561009556966).

Almost surely, 2^{211122019113931} is an apocalyptic number.

211122019113931 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122019113931 is an equidigital number, since it uses as much as digits as its factorization.

211122019113931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 211122019113931 in words is "two hundred eleven trillion, one hundred twenty-two billion, nineteen million, one hundred thirteen thousand, nine hundred thirty-one".