113300400421 has 4 divisors (see below), whose sum is σ = 122015815852. Its totient is φ = 104584984992.

The previous prime is 113300400413. The next prime is 113300400439. The reversal of 113300400421 is 124004003311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124004003311 = 479 ⋅258881009.

It can be written as a sum of positive squares in 2 ways, for example, as 71068095396 + 42232305025 = 266586^2 + 205505^2 .

It is a cyclic number.

It is not a de Polignac number, because 113300400421 - 2³ = 113300400413 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 (113300400481) 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, 4357707696 + ... + 4357707721.

It is an arithmetic number, because the mean of its divisors is an integer number (30503953963).

Almost surely, 2^113300400421 is an apocalyptic number.

It is an amenable number.

113300400421 is a deficient number, since it is larger than the sum of its proper divisors (8715415431).

113300400421 is an equidigital number, since it uses as much as digits as its factorization.

113300400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715415430.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 113300400421 its reverse (124004003311), we get a palindrome (237304403732).

The spelling of 113300400421 in words is "one hundred thirteen billion, three hundred million, four hundred thousand, four hundred twenty-one".