232101200021 has 4 divisors (see below), whose sum is σ = 232178083200. Its totient is φ = 232024316844.

The previous prime is 232101200017. The next prime is 232101200041. The reversal of 232101200021 is 120002101232.

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 232101200021 - 2² = 232101200017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232101199969 and 232101200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232101200011) 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, 38437061 + ... + 38443098.

It is an arithmetic number, because the mean of its divisors is an integer number (58044520800).

Almost surely, 2^232101200021 is an apocalyptic number.

It is an amenable number.

232101200021 is a deficient number, since it is larger than the sum of its proper divisors (76883179).

232101200021 is an equidigital number, since it uses as much as digits as its factorization.

232101200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76883178.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 232101200021 its reverse (120002101232), we get a palindrome (352103301253).

The spelling of 232101200021 in words is "two hundred thirty-two billion, one hundred one million, two hundred thousand, twenty-one".