113312232121 has 16 divisors (see below), whose sum is σ = 127895644800. Its totient is φ = 99443635200.

The previous prime is 113312232119. The next prime is 113312232181. The reversal of 113312232121 is 121232213311.

It is a cyclic number.

It is not a de Polignac number, because 113312232121 - 2¹ = 113312232119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113312232092 and 113312232101.

It is not an unprimeable number, because it can be changed into a prime (113312232181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365276 + ... + 2412706.

It is an arithmetic number, because the mean of its divisors is an integer number (7993477800).

Almost surely, 2^113312232121 is an apocalyptic number.

113312232121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113312232121 is a deficient number, since it is larger than the sum of its proper divisors (14583412679).

113312232121 is a wasteful number, since it uses less digits than its factorization.

113312232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54960.

The product of its digits is 432, while the sum is 22.

Adding to 113312232121 its reverse (121232213311), we get a palindrome (234544445432).

The spelling of 113312232121 in words is "one hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand, one hundred twenty-one".