22112120012022 has 24 divisors (see below), whose sum is σ = 47923239065520. Its totient is φ = 7368607331280.

The previous prime is 22112120012009. The next prime is 22112120012039. The reversal of 22112120012022 is 22021002121122.

It is a happy number.

22112120012022 is a `hidden beast` number, since 221 + 121 + 200 + 120 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112120011986 and 22112120012004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174879997 + ... + 175006392.

It is an arithmetic number, because the mean of its divisors is an integer number (1996801627730).

Almost surely, 2^{22112120012022} is an apocalyptic number.

22112120012022 is an abundant number, since it is smaller than the sum of its proper divisors (25811119053498).

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

22112120012022 is a wasteful number, since it uses less digits than its factorization.

22112120012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349889908 (or 349889905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112120012022 its reverse (22021002121122), we get a palindrome (44133122133144).

The spelling of 22112120012022 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty million, twelve thousand, twenty-two".