202100110121 has 64 divisors (see below), whose sum is σ = 262701121536. Its totient is φ = 151178227200.

The previous prime is 202100110103. The next prime is 202100110169. The reversal of 202100110121 is 121011001202.

It is not a de Polignac number, because 202100110121 - 2³⁰ = 201026368297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202100110171) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100897706 + ... + 100899708.

It is an arithmetic number, because the mean of its divisors is an integer number (4104705024).

Almost surely, 2^202100110121 is an apocalyptic number.

It is an amenable number.

202100110121 is a deficient number, since it is larger than the sum of its proper divisors (60601011415).

202100110121 is a wasteful number, since it uses less digits than its factorization.

202100110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202100110121 its reverse (121011001202), we get a palindrome (323111111323).

The spelling of 202100110121 in words is "two hundred two billion, one hundred million, one hundred ten thousand, one hundred twenty-one".