22112012122 has 32 divisors (see below), whose sum is σ = 33910740288. Its totient is φ = 10810800000.

The previous prime is 22112012119. The next prime is 22112012141. The reversal of 22112012122 is 22121021122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22112012096 and 22112012105.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21038497 + ... + 21039547.

It is an arithmetic number, because the mean of its divisors is an integer number (1059710634).

Almost surely, 2^22112012122 is an apocalyptic number.

22112012122 is a deficient number, since it is larger than the sum of its proper divisors (11798728166).

22112012122 is a wasteful number, since it uses less digits than its factorization.

22112012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112012122 its reverse (22121021122), we get a palindrome (44233033244).

The spelling of 22112012122 in words is "twenty-two billion, one hundred twelve million, twelve thousand, one hundred twenty-two".