113235242121013 has 4 divisors (see below), whose sum is σ = 113235442866720. Its totient is φ = 113235041375308.

The previous prime is 113235242121007. The next prime is 113235242121031. The reversal of 113235242121013 is 310121242532311.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113235242121013 is a prime.

It is a super-2 number, since 2×113235242121013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113235242121083) 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, 99524353 + ... + 100655686.

It is an arithmetic number, because the mean of its divisors is an integer number (28308860716680).

Almost surely, 2^{113235242121013} is an apocalyptic number.

It is an amenable number.

113235242121013 is a deficient number, since it is larger than the sum of its proper divisors (200745707).

113235242121013 is an equidigital number, since it uses as much as digits as its factorization.

113235242121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200745706.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 113235242121013 its reverse (310121242532311), we get a palindrome (423356484653324).

The spelling of 113235242121013 in words is "one hundred thirteen trillion, two hundred thirty-five billion, two hundred forty-two million, one hundred twenty-one thousand, thirteen".