22122000222112 has 72 divisors (see below), whose sum is σ = 51033136696164. Its totient is φ = 9411653809152.

The previous prime is 22122000222103. The next prime is 22122000222139. The reversal of 22122000222112 is 21122200022122.

It can be written as a sum of positive squares in 2 ways, for example, as 20635541828496 + 1486458393616 = 4542636^2 + 1219204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22122000222112.

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, 51275763 + ... + 51705394.

Almost surely, 2^{22122000222112} is an apocalyptic number.

It is an amenable number.

22122000222112 is an abundant number, since it is smaller than the sum of its proper divisors (28911136474052).

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

22122000222112 is a wasteful number, since it uses less digits than its factorization.

22122000222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102981318 (or 102981303 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122000222112 its reverse (21122200022122), we get a palindrome (43244200244234).

The spelling of 22122000222112 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two thousand, one hundred twelve".