22100211202021 has 8 divisors (see below), whose sum is σ = 22614801645920. Its totient is φ = 21585649487472.

The previous prime is 22100211202019. The next prime is 22100211202049. The reversal of 22100211202021 is 12020211200122.

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 22100211202021 - 2¹ = 22100211202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100211201986 and 22100211202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100211202061) 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, 5622015 + ... + 8706748.

It is an arithmetic number, because the mean of its divisors is an integer number (2826850205740).

Almost surely, 2^{22100211202021} is an apocalyptic number.

It is an amenable number.

22100211202021 is a deficient number, since it is larger than the sum of its proper divisors (514590443899).

22100211202021 is a wasteful number, since it uses less digits than its factorization.

22100211202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364675.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100211202021 its reverse (12020211200122), we get a palindrome (34120422402143).

The spelling of 22100211202021 in words is "twenty-two trillion, one hundred billion, two hundred eleven million, two hundred two thousand, twenty-one".