22121120222022 has 32 divisors (see below), whose sum is σ = 44494168579200. Its totient is φ = 7331727542528.

The previous prime is 22121120221961. The next prime is 22121120222041. The reversal of 22121120222022 is 22022202112122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121120222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8972629 + ... + 11169167.

It is an arithmetic number, because the mean of its divisors is an integer number (1390442768100).

Almost surely, 2^{22121120222022} is an apocalyptic number.

22121120222022 is an abundant number, since it is smaller than the sum of its proper divisors (22373048357178).

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

22121120222022 is a wasteful number, since it uses less digits than its factorization.

22121120222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206100.

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

Adding to 22121120222022 its reverse (22022202112122), we get a palindrome (44143322334144).

The spelling of 22121120222022 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, twenty-two".