112100100111091 has 2 divisors, whose sum is σ = 112100100111092. Its totient is φ = 112100100111090.

The previous prime is 112100100111089. The next prime is 112100100111113. The reversal of 112100100111091 is 190111001001211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112100100111091 - 2¹ = 112100100111089 is a prime.

Together with 112100100111089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112100100111191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050050055545 + 56050050055546.

It is an arithmetic number, because the mean of its divisors is an integer number (56050050055546).

Almost surely, 2^{112100100111091} is an apocalyptic number.

112100100111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100100111091 is an equidigital number, since it uses as much as digits as its factorization.

112100100111091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 112100100111091 in words is "one hundred twelve trillion, one hundred billion, one hundred million, one hundred eleven thousand, ninety-one".