232001211121 has 4 divisors (see below), whose sum is σ = 244211801200. Its totient is φ = 219790621044.

The previous prime is 232001211097. The next prime is 232001211181. The reversal of 232001211121 is 121112100232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232001211121 - 2¹⁹ = 232000686833 is a prime.

It is a super-2 number, since 2×232001211121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232001211095 and 232001211104.

It is not an unprimeable number, because it can be changed into a prime (232001211181) 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 3 ways as a sum of consecutive naturals, for example, 6105295011 + ... + 6105295048.

It is an arithmetic number, because the mean of its divisors is an integer number (61052950300).

Almost surely, 2^232001211121 is an apocalyptic number.

It is an amenable number.

232001211121 is a deficient number, since it is larger than the sum of its proper divisors (12210590079).

232001211121 is a wasteful number, since it uses less digits than its factorization.

232001211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210590078.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 232001211121 its reverse (121112100232), we get a palindrome (353113311353).

It can be divided in two parts, 23200 and 1211121, that added together give a palindrome (1234321).

The spelling of 232001211121 in words is "two hundred thirty-two billion, one million, two hundred eleven thousand, one hundred twenty-one".