22121202212022 has 16 divisors (see below), whose sum is σ = 44320987742400. Its totient is φ = 7360636850952.

The previous prime is 22121202212017. The next prime is 22121202212051. The reversal of 22121202212022 is 22021220212122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121202212022.

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, 3274301272 + ... + 3274308027.

It is an arithmetic number, because the mean of its divisors is an integer number (2770061733900).

Almost surely, 2^{22121202212022} is an apocalyptic number.

22121202212022 is an abundant number, since it is smaller than the sum of its proper divisors (22199785530378).

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

22121202212022 is a wasteful number, since it uses less digits than its factorization.

22121202212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548609867.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22121202212022 its reverse (22021220212122), we get a palindrome (44142422424144).

The spelling of 22121202212022 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twenty-two".