22012022102221 has 8 divisors (see below), whose sum is σ = 23134311627840. Its totient is φ = 20903503000512.

The previous prime is 22012022102087. The next prime is 22012022102261. The reversal of 22012022102221 is 12220122021022.

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

It is not a de Polignac number, because 22012022102221 - 2²⁵ = 22011988547789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012022102261) 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, 3442602700 + ... + 3442609093.

It is an arithmetic number, because the mean of its divisors is an integer number (2891788953480).

Almost surely, 2^{22012022102221} is an apocalyptic number.

It is an amenable number.

22012022102221 is a deficient number, since it is larger than the sum of its proper divisors (1122289525619).

22012022102221 is a wasteful number, since it uses less digits than its factorization.

22012022102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885211955.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012022102221 its reverse (12220122021022), we get a palindrome (34232144123243).

The spelling of 22012022102221 in words is "twenty-two trillion, twelve billion, twenty-two million, one hundred two thousand, two hundred twenty-one".