232121113 has 8 divisors (see below), whose sum is σ = 266131328. Its totient is φ = 198323424.

The previous prime is 232121101. The next prime is 232121117. The reversal of 232121113 is 311121232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232121113 - 2²¹ = 230023961 is a prime.

It is a super-2 number, since 2×232121113² = 107760422200717538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232121117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50781 + ... + 55162.

It is an arithmetic number, because the mean of its divisors is an integer number (33266416).

Almost surely, 2^232121113 is an apocalyptic number.

It is an amenable number.

232121113 is a deficient number, since it is larger than the sum of its proper divisors (34010215).

232121113 is a wasteful number, since it uses less digits than its factorization.

232121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106263.

The product of its digits is 72, while the sum is 16.

The square root of 232121113 is about 15235.5214219928. The cubic root of 232121113 is about 614.5702711075.

Adding to 232121113 its reverse (311121232), we get a palindrome (543242345).

The spelling of 232121113 in words is "two hundred thirty-two million, one hundred twenty-one thousand, one hundred thirteen".