22222112010112 has 32 divisors (see below), whose sum is σ = 50594987167920. Its totient is φ = 9523762289664.

The previous prime is 22222112010079. The next prime is 22222112010113. The reversal of 22222112010112 is 21101021122222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22222112010112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222112010113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12400731253 + ... + 12400733044.

Almost surely, 2^{22222112010112} is an apocalyptic number.

It is an amenable number.

22222112010112 is an abundant number, since it is smaller than the sum of its proper divisors (28372875157808).

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

22222112010112 is an equidigital number, since it uses as much as digits as its factorization.

22222112010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24801464318 (or 24801464306 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22222112010112 its reverse (21101021122222), we get a palindrome (43323133132334).

The spelling of 22222112010112 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, ten thousand, one hundred twelve".