113312421124421 has 16 divisors (see below), whose sum is σ = 114835894521600. Its totient is φ = 111801695765760.

The previous prime is 113312421124363. The next prime is 113312421124447. The reversal of 113312421124421 is 124421124213311.

It is a cyclic number.

It is not a de Polignac number, because 113312421124421 - 2³⁴ = 113295241255237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312421124481) 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, 9941645 + ... + 18040541.

It is an arithmetic number, because the mean of its divisors is an integer number (7177243407600).

Almost surely, 2^{113312421124421} is an apocalyptic number.

It is an amenable number.

113312421124421 is a deficient number, since it is larger than the sum of its proper divisors (1523473397179).

113312421124421 is a wasteful number, since it uses less digits than its factorization.

113312421124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099684.

The product of its digits is 9216, while the sum is 32.

Adding to 113312421124421 its reverse (124421124213311), we get a palindrome (237733545337732).

The spelling of 113312421124421 in words is "one hundred thirteen trillion, three hundred twelve billion, four hundred twenty-one million, one hundred twenty-four thousand, four hundred twenty-one".