233201121 has 16 divisors (see below), whose sum is σ = 338125824. Its totient is φ = 142366464.

The previous prime is 233201119. The next prime is 233201123. The reversal of 233201121 is 121102332.

It is an interprime number because it is at equal distance from previous prime (233201119) and next prime (233201123).

It is not a de Polignac number, because 233201121 - 2¹ = 233201119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233201121.

It is not an unprimeable number, because it can be changed into a prime (233201123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59905 + ... + 63678.

It is an arithmetic number, because the mean of its divisors is an integer number (21132864).

Almost surely, 2^233201121 is an apocalyptic number.

It is an amenable number.

233201121 is a deficient number, since it is larger than the sum of its proper divisors (104924703).

233201121 is a wasteful number, since it uses less digits than its factorization.

233201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123640.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 233201121 is about 15270.9240388393. The cubic root of 233201121 is about 615.5219496524.

Adding to 233201121 its reverse (121102332), we get a palindrome (354303453).

The spelling of 233201121 in words is "two hundred thirty-three million, two hundred one thousand, one hundred twenty-one".