113330233221 has 4 divisors (see below), whose sum is σ = 151106977632. Its totient is φ = 75553488812.

The previous prime is 113330233187. The next prime is 113330233243. The reversal of 113330233221 is 122332033311.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113330233221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113330233191 and 113330233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113330213221) 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, 18888372201 + ... + 18888372206.

It is an arithmetic number, because the mean of its divisors is an integer number (37776744408).

Almost surely, 2^113330233221 is an apocalyptic number.

It is an amenable number.

113330233221 is a deficient number, since it is larger than the sum of its proper divisors (37776744411).

113330233221 is an equidigital number, since it uses as much as digits as its factorization.

113330233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37776744410.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 113330233221 its reverse (122332033311), we get a palindrome (235662266532).

The spelling of 113330233221 in words is "one hundred thirteen billion, three hundred thirty million, two hundred thirty-three thousand, two hundred twenty-one".