22121010000022 has 16 divisors (see below), whose sum is σ = 33366967032672. Its totient is φ = 10998695453760.

The previous prime is 22121009999999. The next prime is 22121010000043. The reversal of 22121010000022 is 22000001012122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22121009999957 and 22121010000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3755263 + ... + 7638325.

It is an arithmetic number, because the mean of its divisors is an integer number (2085435439542).

Almost surely, 2^{22121010000022} is an apocalyptic number.

22121010000022 is a deficient number, since it is larger than the sum of its proper divisors (11245957032650).

22121010000022 is a wasteful number, since it uses less digits than its factorization.

22121010000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898983.

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

Adding to 22121010000022 its reverse (22000001012122), we get a palindrome (44121011012144).

The spelling of 22121010000022 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, twenty-two", and thus it is an aban number.