211112134099931 has 2 divisors, whose sum is σ = 211112134099932. Its totient is φ = 211112134099930.

The previous prime is 211112134099873. The next prime is 211112134099991. The reversal of 211112134099931 is 139990431211112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211112134099931 - 2¹⁴ = 211112134083547 is a prime.

It is a super-2 number, since 2×211112134099931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211112134099991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556067049965 + 105556067049966.

It is an arithmetic number, because the mean of its divisors is an integer number (105556067049966).

Almost surely, 2^{211112134099931} is an apocalyptic number.

211112134099931 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112134099931 is an equidigital number, since it uses as much as digits as its factorization.

211112134099931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 211112134099931 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirty-four million, ninety-nine thousand, nine hundred thirty-one".