22212202000021 has 8 divisors (see below), whose sum is σ = 25506834832800. Its totient is φ = 19130126124240.

The previous prime is 22212201999997. The next prime is 22212202000057. The reversal of 22212202000021 is 12000020221222.

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 22212202000021 - 2⁷ = 22212201999893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22212201999959 and 22212202000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212202000091) 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, 53139239026 + ... + 53139239443.

It is an arithmetic number, because the mean of its divisors is an integer number (3188354354100).

Almost surely, 2^{22212202000021} is an apocalyptic number.

It is an amenable number.

22212202000021 is a deficient number, since it is larger than the sum of its proper divisors (3294632832779).

22212202000021 is a wasteful number, since it uses less digits than its factorization.

22212202000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106278478499.

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

Adding to 22212202000021 its reverse (12000020221222), we get a palindrome (34212222221243).

The spelling of 22212202000021 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, twenty-one", and thus it is an aban number.