22200112221112 has 32 divisors (see below), whose sum is σ = 47591938465920. Its totient is φ = 9510279924960.

The previous prime is 22200112221097. The next prime is 22200112221113. The reversal of 22200112221112 is 21112221100222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200112221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200112221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84323314 + ... + 84586177.

It is an arithmetic number, because the mean of its divisors is an integer number (1487248077060).

Almost surely, 2^{22200112221112} is an apocalyptic number.

It is an amenable number.

22200112221112 is an abundant number, since it is smaller than the sum of its proper divisors (25391826244808).

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

22200112221112 is a wasteful number, since it uses less digits than its factorization.

22200112221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168911851 (or 168911847 counting only the distinct ones).

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

Adding to 22200112221112 its reverse (21112221100222), we get a palindrome (43312333321334).

The spelling of 22200112221112 in words is "twenty-two trillion, two hundred billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".