22121421332022 has 40 divisors (see below), whose sum is σ = 49573064722896. Its totient is φ = 7373108725488.

The previous prime is 22121421331943. The next prime is 22121421332051. The reversal of 22121421332022 is 22023312412122.

22121421332022 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 1 + 421 + 33 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4749393 + ... + 8173100.

Almost surely, 2^{22121421332022} is an apocalyptic number.

22121421332022 is an abundant number, since it is smaller than the sum of its proper divisors (27451643390874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121421332022 is a wasteful number, since it uses less digits than its factorization.

22121421332022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933074 (or 12933065 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22121421332022 its reverse (22023312412122), we get a palindrome (44144733744144).

The spelling of 22121421332022 in words is "twenty-two trillion, one hundred twenty-one billion, four hundred twenty-one million, three hundred thirty-two thousand, twenty-two".