113310233021 has 4 divisors (see below), whose sum is σ = 113542903392. Its totient is φ = 113077562652.

The previous prime is 113310232999. The next prime is 113310233027. The reversal of 113310233021 is 120332013311.

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: 120332013311 = 2741 ⋅43900771.

It is a cyclic number.

It is not a de Polignac number, because 113310233021 - 2¹⁰ = 113310231997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113310232984 and 113310233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113310233027) 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, 116334455 + ... + 116335428.

It is an arithmetic number, because the mean of its divisors is an integer number (28385725848).

Almost surely, 2^113310233021 is an apocalyptic number.

It is an amenable number.

113310233021 is a deficient number, since it is larger than the sum of its proper divisors (232670371).

113310233021 is an equidigital number, since it uses as much as digits as its factorization.

113310233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232670370.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113310233021 its reverse (120332013311), we get a palindrome (233642246332).

The spelling of 113310233021 in words is "one hundred thirteen billion, three hundred ten million, two hundred thirty-three thousand, twenty-one".