210112230121 has 8 divisors (see below), whose sum is σ = 210520272384. Its totient is φ = 209704578720.

The previous prime is 210112230109. The next prime is 210112230161. The reversal of 210112230121 is 121032211012.

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 210112230121 - 2²⁵ = 210078675689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210112230095 and 210112230104.

It is not an unprimeable number, because it can be changed into a prime (210112230161) 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, 990160 + ... + 1183486.

It is an arithmetic number, because the mean of its divisors is an integer number (26315034048).

Almost surely, 2^210112230121 is an apocalyptic number.

It is an amenable number.

210112230121 is a deficient number, since it is larger than the sum of its proper divisors (408042263).

210112230121 is a wasteful number, since it uses less digits than its factorization.

210112230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195431.

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

Adding to 210112230121 its reverse (121032211012), we get a palindrome (331144441133).

The spelling of 210112230121 in words is "two hundred ten billion, one hundred twelve million, two hundred thirty thousand, one hundred twenty-one".