202110120211101 has 24 divisors (see below), whose sum is σ = 286266070178784. Its totient is φ = 126813449521920.

The previous prime is 202110120211093. The next prime is 202110120211117. The reversal of 202110120211101 is 101112021011202.

It is a happy number.

It is not a de Polignac number, because 202110120211101 - 2³ = 202110120211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110120211151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172591906 + ... + 173758988.

It is an arithmetic number, because the mean of its divisors is an integer number (11927752924116).

Almost surely, 2^{202110120211101} is an apocalyptic number.

It is an amenable number.

202110120211101 is a deficient number, since it is larger than the sum of its proper divisors (84155949967683).

202110120211101 is a wasteful number, since it uses less digits than its factorization.

202110120211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366861 (or 1366844 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 202110120211101 its reverse (101112021011202), we get a palindrome (303222141222303).

The spelling of 202110120211101 in words is "two hundred two trillion, one hundred ten billion, one hundred twenty million, two hundred eleven thousand, one hundred one".