101122200021021 has 32 divisors (see below), whose sum is σ = 139587926016000. Its totient is φ = 65048445109440.

The previous prime is 101122200020971. The next prime is 101122200021047. The reversal of 101122200021021 is 120120002221101.

It is not a de Polignac number, because 101122200021021 - 2⁷ = 101122200020893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122200021061) 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, 475031610 + ... + 475244436.

It is an arithmetic number, because the mean of its divisors is an integer number (4362122688000).

Almost surely, 2^{101122200021021} is an apocalyptic number.

It is an amenable number.

101122200021021 is a deficient number, since it is larger than the sum of its proper divisors (38465725994979).

101122200021021 is a wasteful number, since it uses less digits than its factorization.

101122200021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227849.

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

Adding to 101122200021021 its reverse (120120002221101), we get a palindrome (221242202242122).

The spelling of 101122200021021 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred million, twenty-one thousand, twenty-one".