22112210222112 has 96 divisors (see below), whose sum is σ = 59200665386688. Its totient is φ = 7225167568896.

The previous prime is 22112210222093. The next prime is 22112210222129. The reversal of 22112210222112 is 21122201221122.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8536473 + ... + 10821080.

It is an arithmetic number, because the mean of its divisors is an integer number (616673597778).

Almost surely, 2^{22112210222112} is an apocalyptic number.

It is an amenable number.

22112210222112 is an abundant number, since it is smaller than the sum of its proper divisors (37088455164576).

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

22112210222112 is a wasteful number, since it uses less digits than its factorization.

22112210222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19357802 (or 19357794 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22112210222112 its reverse (21122201221122), we get a palindrome (43234411443234).

The spelling of 22112210222112 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, one hundred twelve".