111312012211013 has 8 divisors (see below), whose sum is σ = 114905323952640. Its totient is φ = 107718863073840.

The previous prime is 111312012210953. The next prime is 111312012211031. The reversal of 111312012211013 is 310112210213111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111312012211013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312012213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39259145 + ... + 41998862.

It is an arithmetic number, because the mean of its divisors is an integer number (14363165494080).

Almost surely, 2^{111312012211013} is an apocalyptic number.

It is an amenable number.

111312012211013 is a deficient number, since it is larger than the sum of its proper divisors (3593311741627).

111312012211013 is an equidigital number, since it uses as much as digits as its factorization.

111312012211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81302227.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111312012211013 its reverse (310112210213111), we get a palindrome (421424222424124).

The spelling of 111312012211013 in words is "one hundred eleven trillion, three hundred twelve billion, twelve million, two hundred eleven thousand, thirteen".