112111002091 has 4 divisors (see below), whose sum is σ = 122302911384. Its totient is φ = 101919092800.

The previous prime is 112111002089. The next prime is 112111002151. The reversal of 112111002091 is 190200111211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112111002091 - 2¹ = 112111002089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111002001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095954630 + ... + 5095954651.

It is an arithmetic number, because the mean of its divisors is an integer number (30575727846).

Almost surely, 2^112111002091 is an apocalyptic number.

112111002091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112111002091 is a deficient number, since it is larger than the sum of its proper divisors (10191909293).

112111002091 is a wasteful number, since it uses less digits than its factorization.

112111002091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191909292.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 112111002091 in words is "one hundred twelve billion, one hundred eleven million, two thousand, ninety-one".