22168886121 has 24 divisors (see below), whose sum is σ = 33282999360. Its totient is φ = 14201964000.

The previous prime is 22168886111. The next prime is 22168886137. The reversal of 22168886121 is 12168886122.

22168886121 is a `hidden beast` number, since 2 + 21 + 6 + 8 + 8 + 8 + 612 + 1 = 666.

It is not a de Polignac number, because 22168886121 - 2⁷ = 22168885993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22168886111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146205 + ... + 256346.

It is an arithmetic number, because the mean of its divisors is an integer number (1386791640).

Almost surely, 2^22168886121 is an apocalyptic number.

It is an amenable number.

22168886121 is a deficient number, since it is larger than the sum of its proper divisors (11114113239).

22168886121 is a wasteful number, since it uses less digits than its factorization.

22168886121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402797 (or 402794 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

Subtracting from 22168886121 its reverse (12168886122), we obtain a palindrome (9999999999).

The spelling of 22168886121 in words is "twenty-two billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred twenty-one".