201220202110101 has 32 divisors (see below), whose sum is σ = 281704010457600. Its totient is φ = 127593752637120.

The previous prime is 201220202110027. The next prime is 201220202110157. The reversal of 201220202110101 is 101011202022102.

It is a de Polignac number, because none of the positive numbers 2^k-201220202110101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220202110601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58712635 + ... + 62045256.

It is an arithmetic number, because the mean of its divisors is an integer number (8803250326800).

Almost surely, 2^{201220202110101} is an apocalyptic number.

It is an amenable number.

201220202110101 is a deficient number, since it is larger than the sum of its proper divisors (80483808347499).

201220202110101 is a wasteful number, since it uses less digits than its factorization.

201220202110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120758209.

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

Adding to 201220202110101 its reverse (101011202022102), we get a palindrome (302231404132203).

The spelling of 201220202110101 in words is "two hundred one trillion, two hundred twenty billion, two hundred two million, one hundred ten thousand, one hundred one".