101222222222021 has 16 divisors (see below), whose sum is σ = 103897206494400. Its totient is φ = 98579479507200.

The previous prime is 101222222221969. The next prime is 101222222222027. The reversal of 101222222222021 is 120222222222101.

It is a cyclic number.

It is not a de Polignac number, because 101222222222021 - 2²² = 101222218027717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222222222027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43635626 + ... + 45896756.

It is an arithmetic number, because the mean of its divisors is an integer number (6493575405900).

Almost surely, 2^{101222222222021} is an apocalyptic number.

It is an amenable number.

101222222222021 is a deficient number, since it is larger than the sum of its proper divisors (2674984272379).

101222222222021 is a wasteful number, since it uses less digits than its factorization.

101222222222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268260.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101222222222021 its reverse (120222222222101), we get a palindrome (221444444444122).

The spelling of 101222222222021 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-one".