113013344221 has 4 divisors (see below), whose sum is σ = 113023116000. Its totient is φ = 113003572444.

The previous prime is 113013344207. The next prime is 113013344239. The reversal of 113013344221 is 122443310311.

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: 122443310311 = 7 ⋅17491901473.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113013344221 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 (113013344261) 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, 4868521 + ... + 4891678.

It is an arithmetic number, because the mean of its divisors is an integer number (28255779000).

Almost surely, 2^113013344221 is an apocalyptic number.

It is an amenable number.

113013344221 is a deficient number, since it is larger than the sum of its proper divisors (9771779).

113013344221 is an equidigital number, since it uses as much as digits as its factorization.

113013344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771778.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113013344221 its reverse (122443310311), we get a palindrome (235456654532).

The spelling of 113013344221 in words is "one hundred thirteen billion, thirteen million, three hundred forty-four thousand, two hundred twenty-one".