22200011222112 has 48 divisors (see below), whose sum is σ = 64750032733680. Its totient is φ = 7400003740416.

The previous prime is 22200011222087. The next prime is 22200011222113. The reversal of 22200011222112 is 21122211000222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200011222113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12847227853 + ... + 12847229580.

It is an arithmetic number, because the mean of its divisors is an integer number (1348959015285).

Almost surely, 2^{22200011222112} is an apocalyptic number.

It is an amenable number.

22200011222112 is an abundant number, since it is smaller than the sum of its proper divisors (42550021511568).

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

22200011222112 is a wasteful number, since it uses less digits than its factorization.

22200011222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25694457452 (or 25694457438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22200011222112 its reverse (21122211000222), we get a palindrome (43322222222334).

The spelling of 22200011222112 in words is "twenty-two trillion, two hundred billion, eleven million, two hundred twenty-two thousand, one hundred twelve".