113332121 has 16 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 95862528.

The previous prime is 113332111. The next prime is 113332123. The reversal of 113332121 is 121233311.

It is a cyclic number.

It is not a de Polignac number, because 113332121 - 2¹⁴ = 113315737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113332121.

It is not an unprimeable number, because it can be changed into a prime (113332123) 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, 261521 + ... + 261953.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^113332121 is an apocalyptic number.

It is an amenable number.

113332121 is a deficient number, since it is larger than the sum of its proper divisors (17909479).

113332121 is a wasteful number, since it uses less digits than its factorization.

113332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 108, while the sum is 17.

The square root of 113332121 is about 10645.7560088516. The cubic root of 113332121 is about 483.9319978796.

Adding to 113332121 its reverse (121233311), we get a palindrome (234565432).

The spelling of 113332121 in words is "one hundred thirteen million, three hundred thirty-two thousand, one hundred twenty-one".