111301310091 has 32 divisors (see below), whose sum is σ = 156767212800. Its totient is φ = 70046363520.

The previous prime is 111301310077. The next prime is 111301310093. The reversal of 111301310091 is 190013103111.

It is not a de Polignac number, because 111301310091 - 2⁷ = 111301309963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111301310093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20318845 + ... + 20324321.

It is an arithmetic number, because the mean of its divisors is an integer number (4898975400).

Almost surely, 2^111301310091 is an apocalyptic number.

111301310091 is a deficient number, since it is larger than the sum of its proper divisors (45465902709).

111301310091 is a wasteful number, since it uses less digits than its factorization.

111301310091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 81, while the sum is 21.

The spelling of 111301310091 in words is "one hundred eleven billion, three hundred one million, three hundred ten thousand, ninety-one".