113331332121 has 48 divisors (see below), whose sum is σ = 176529412224. Its totient is φ = 64673489664.

The previous prime is 113331332119. The next prime is 113331332143. The reversal of 113331332121 is 121233133311.

It is not a de Polignac number, because 113331332121 - 2¹ = 113331332119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113331332091 and 113331332100.

It is not an unprimeable number, because it can be changed into a prime (113331332161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65395171 + ... + 65396903.

It is an arithmetic number, because the mean of its divisors is an integer number (3677696088).

Almost surely, 2^113331332121 is an apocalyptic number.

It is an amenable number.

113331332121 is a deficient number, since it is larger than the sum of its proper divisors (63198080103).

113331332121 is an frugal number, since it uses more digits than its factorization.

113331332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3040 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

Adding to 113331332121 its reverse (121233133311), we get a palindrome (234564465432).

The spelling of 113331332121 in words is "one hundred thirteen billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty-one".