1112110112091 has 16 divisors (see below), whose sum is σ = 1620069390720. Its totient is φ = 672983344320.

The previous prime is 1112110112053. The next prime is 1112110112117. The reversal of 1112110112091 is 1902110112111.

It is a happy number.

It is not a de Polignac number, because 1112110112091 - 2⁶ = 1112110112027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112110110091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25547530 + ... + 25591023.

It is an arithmetic number, because the mean of its divisors is an integer number (101254336920).

Almost surely, 2^{1112110112091} is an apocalyptic number.

1112110112091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112110112091 is a deficient number, since it is larger than the sum of its proper divisors (507959278629).

1112110112091 is a wasteful number, since it uses less digits than its factorization.

1112110112091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51139226.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 1112110112091 in words is "one trillion, one hundred twelve billion, one hundred ten million, one hundred twelve thousand, ninety-one".