111312021113013 has 16 divisors (see below), whose sum is σ = 173562929931776. Its totient is φ = 62127639690480.

The previous prime is 111312021112997. The next prime is 111312021113087. The reversal of 111312021113013 is 310311120213111.

It is not a de Polignac number, because 111312021113013 - 2⁴ = 111312021112997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312021133013) 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, 61634562283 + ... + 61634564088.

It is an arithmetic number, because the mean of its divisors is an integer number (10847683120736).

Almost surely, 2^{111312021113013} is an apocalyptic number.

It is an amenable number.

111312021113013 is a deficient number, since it is larger than the sum of its proper divisors (62250908818763).

111312021113013 is a wasteful number, since it uses less digits than its factorization.

111312021113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123269126424.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 111312021113013 its reverse (310311120213111), we get a palindrome (421623141326124).

The spelling of 111312021113013 in words is "one hundred eleven trillion, three hundred twelve billion, twenty-one million, one hundred thirteen thousand, thirteen".