112111122091 has 2 divisors, whose sum is σ = 112111122092. Its totient is φ = 112111122090.

The previous prime is 112111122083. The next prime is 112111122131. The reversal of 112111122091 is 190221111211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112111122091 - 2³ = 112111122083 is a prime.

It is not a weakly prime, because it can be changed into another prime (112111122061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055561045 + 56055561046.

It is an arithmetic number, because the mean of its divisors is an integer number (56055561046).

Almost surely, 2^112111122091 is an apocalyptic number.

112111122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111122091 is an equidigital number, since it uses as much as digits as its factorization.

112111122091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 112111122091 in words is "one hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, ninety-one".