22112333221012 has 12 divisors (see below), whose sum is σ = 39241605434976. Its totient is φ = 10900445953880.

The previous prime is 22112333221009. The next prime is 22112333221079. The reversal of 22112333221012 is 21012233321122.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 38930163838 + ... + 38930164405.

It is an arithmetic number, because the mean of its divisors is an integer number (3270133786248).

Almost surely, 2^{22112333221012} is an apocalyptic number.

It is an amenable number.

22112333221012 is a deficient number, since it is larger than the sum of its proper divisors (17129272213964).

22112333221012 is a wasteful number, since it uses less digits than its factorization.

22112333221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77860328318 (or 77860328316 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22112333221012 its reverse (21012233321122), we get a palindrome (43124566542134).

The spelling of 22112333221012 in words is "twenty-two trillion, one hundred twelve billion, three hundred thirty-three million, two hundred twenty-one thousand, twelve".