210232320121 has 8 divisors (see below), whose sum is σ = 217626840000. Its totient is φ = 202847475600.

The previous prime is 210232320113. The next prime is 210232320167. The reversal of 210232320121 is 121023232012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210232320121 - 2³ = 210232320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210232320191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374605 + ... + 2461546.

It is an arithmetic number, because the mean of its divisors is an integer number (27203355000).

Almost surely, 2^210232320121 is an apocalyptic number.

It is an amenable number.

210232320121 is a deficient number, since it is larger than the sum of its proper divisors (7394519879).

210232320121 is a wasteful number, since it uses less digits than its factorization.

210232320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837679.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210232320121 its reverse (121023232012), we get a palindrome (331255552133).

The spelling of 210232320121 in words is "two hundred ten billion, two hundred thirty-two million, three hundred twenty thousand, one hundred twenty-one".