232121022001 has 4 divisors (see below), whose sum is σ = 253222933104. Its totient is φ = 211019110900.

The previous prime is 232121021989. The next prime is 232121022011. The reversal of 232121022001 is 100220121232.

It is a happy number.

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 232121022001 - 2⁵ = 232121021969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232121022011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550955535 + ... + 10550955556.

It is an arithmetic number, because the mean of its divisors is an integer number (63305733276).

Almost surely, 2^232121022001 is an apocalyptic number.

It is an amenable number.

232121022001 is a deficient number, since it is larger than the sum of its proper divisors (21101911103).

232121022001 is a wasteful number, since it uses less digits than its factorization.

232121022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101911102.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 232121022001 its reverse (100220121232), we get a palindrome (332341143233).

The spelling of 232121022001 in words is "two hundred thirty-two billion, one hundred twenty-one million, twenty-two thousand, one".