202110121122 has 64 divisors (see below), whose sum is σ = 510947883264. Its totient is φ = 51863120640.

The previous prime is 202110121091. The next prime is 202110121123. The reversal of 202110121122 is 221121011202.

It is not an unprimeable number, because it can be changed into a prime (202110121123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4982029 + ... + 5022432.

It is an arithmetic number, because the mean of its divisors is an integer number (7983560676).

Almost surely, 2^202110121122 is an apocalyptic number.

202110121122 is an abundant number, since it is smaller than the sum of its proper divisors (308837762142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202110121122 is a wasteful number, since it uses less digits than its factorization.

202110121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004523.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202110121122 its reverse (221121011202), we get a palindrome (423231132324).

The spelling of 202110121122 in words is "two hundred two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".