22022102200021 has 32 divisors (see below), whose sum is σ = 28035394760448. Its totient is φ = 16801469245440.

The previous prime is 22022102200009. The next prime is 22022102200031. The reversal of 22022102200021 is 12000220122022.

It is not a de Polignac number, because 22022102200021 - 2⁵ = 22022102199989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022102199968 and 22022102200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022102200031) 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, 13528560 + ... + 15068713.

It is an arithmetic number, because the mean of its divisors is an integer number (876106086264).

Almost surely, 2^{22022102200021} is an apocalyptic number.

It is an amenable number.

22022102200021 is a deficient number, since it is larger than the sum of its proper divisors (6013292560427).

22022102200021 is a wasteful number, since it uses less digits than its factorization.

22022102200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597501.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022102200021 its reverse (12000220122022), we get a palindrome (34022322322043).

The spelling of 22022102200021 in words is "twenty-two trillion, twenty-two billion, one hundred two million, two hundred thousand, twenty-one".