22122000120021 has 8 divisors (see below), whose sum is σ = 29728252130304. Its totient is φ = 14631874094880.

The previous prime is 22122000120013. The next prime is 22122000120061. The reversal of 22122000120021 is 12002100022122.

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

It is not a de Polignac number, because 22122000120021 - 2³ = 22122000120013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122000120061) 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, 29031495840 + ... + 29031496601.

It is an arithmetic number, because the mean of its divisors is an integer number (3716031516288).

Almost surely, 2^{22122000120021} is an apocalyptic number.

It is an amenable number.

22122000120021 is a deficient number, since it is larger than the sum of its proper divisors (7606252010283).

22122000120021 is a wasteful number, since it uses less digits than its factorization.

22122000120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58062992571.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122000120021 its reverse (12002100022122), we get a palindrome (34124100142143).

The spelling of 22122000120021 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty thousand, twenty-one".