113111321120013 has 4 divisors (see below), whose sum is σ = 150815094826688. Its totient is φ = 75407547413340.

The previous prime is 113111321120009. The next prime is 113111321120071. The reversal of 113111321120013 is 310021123111311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113111321120013 - 2² = 113111321120009 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 (113111321120003) 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, 18851886853333 + ... + 18851886853338.

It is an arithmetic number, because the mean of its divisors is an integer number (37703773706672).

Almost surely, 2^{113111321120013} is an apocalyptic number.

It is an amenable number.

113111321120013 is a deficient number, since it is larger than the sum of its proper divisors (37703773706675).

113111321120013 is an equidigital number, since it uses as much as digits as its factorization.

113111321120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37703773706674.

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

Adding to 113111321120013 its reverse (310021123111311), we get a palindrome (423132444231324).

The spelling of 113111321120013 in words is "one hundred thirteen trillion, one hundred eleven billion, three hundred twenty-one million, one hundred twenty thousand, thirteen".