22100200120021 has 8 divisors (see below), whose sum is σ = 22822334753024. Its totient is φ = 21378642046560.

The previous prime is 22100200119947. The next prime is 22100200120043. The reversal of 22100200120021 is 12002100200122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22100200120021 - 2¹⁵ = 22100200087253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100200119983 and 22100200120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100200120081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144061971 + ... + 144215296.

It is an arithmetic number, because the mean of its divisors is an integer number (2852791844128).

Almost surely, 2^{22100200120021} is an apocalyptic number.

It is an amenable number.

22100200120021 is a deficient number, since it is larger than the sum of its proper divisors (722134633003).

22100200120021 is a wasteful number, since it uses less digits than its factorization.

22100200120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288279771.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100200120021 its reverse (12002100200122), we get a palindrome (34102300320143).

The spelling of 22100200120021 in words is "twenty-two trillion, one hundred billion, two hundred million, one hundred twenty thousand, twenty-one".