232001310112221 has 32 divisors (see below), whose sum is σ = 333745510698880. Its totient is φ = 142506293739264.

The previous prime is 232001310112183. The next prime is 232001310112241. The reversal of 232001310112221 is 122211013100232.

It is not a de Polignac number, because 232001310112221 - 2¹⁴ = 232001310095837 is a prime.

It is a super-2 number, since 2×232001310112221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001310112241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2098877271 + ... + 2098987803.

It is an arithmetic number, because the mean of its divisors is an integer number (10429547209340).

Almost surely, 2^{232001310112221} is an apocalyptic number.

It is an amenable number.

232001310112221 is a deficient number, since it is larger than the sum of its proper divisors (101744200586659).

232001310112221 is a wasteful number, since it uses less digits than its factorization.

232001310112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209485.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 232001310112221 its reverse (122211013100232), we get a palindrome (354212323212453).

The spelling of 232001310112221 in words is "two hundred thirty-two trillion, one billion, three hundred ten million, one hundred twelve thousand, two hundred twenty-one".