113240414021 has 4 divisors (see below), whose sum is σ = 129417616032. Its totient is φ = 97063212012.

The previous prime is 113240413999. The next prime is 113240414041. The reversal of 113240414021 is 120414042311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120414042311 = 1669 ⋅72147419.

It is a cyclic number.

It is not a de Polignac number, because 113240414021 - 2¹⁸ = 113240151877 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 (113240414041) 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, 8088600995 + ... + 8088601008.

It is an arithmetic number, because the mean of its divisors is an integer number (32354404008).

Almost surely, 2^113240414021 is an apocalyptic number.

It is an amenable number.

113240414021 is a deficient number, since it is larger than the sum of its proper divisors (16177202011).

113240414021 is an equidigital number, since it uses as much as digits as its factorization.

113240414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177202010.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 113240414021 its reverse (120414042311), we get a palindrome (233654456332).

The spelling of 113240414021 in words is "one hundred thirteen billion, two hundred forty million, four hundred fourteen thousand, twenty-one".