113112233321 has 4 divisors (see below), whose sum is σ = 113113090944. Its totient is φ = 113111375700.

The previous prime is 113112233317. The next prime is 113112233371. The reversal of 113112233321 is 123332211311.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113112233321 - 2² = 113112233317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113112233371) 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, 184625 + ... + 510206.

It is an arithmetic number, because the mean of its divisors is an integer number (28278272736).

Almost surely, 2^113112233321 is an apocalyptic number.

It is an amenable number.

113112233321 is a deficient number, since it is larger than the sum of its proper divisors (857623).

113112233321 is an equidigital number, since it uses as much as digits as its factorization.

113112233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857622.

The product of its digits is 648, while the sum is 23.

Adding to 113112233321 its reverse (123332211311), we get a palindrome (236444444632).

The spelling of 113112233321 in words is "one hundred thirteen billion, one hundred twelve million, two hundred thirty-three thousand, three hundred twenty-one".