22112201111200 has 72 divisors (see below), whose sum is σ = 53983631701440. Its totient is φ = 8844516576000.

The previous prime is 22112201111159. The next prime is 22112201111219. The reversal of 22112201111200 is 211110221122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19324681 + ... + 20436919.

It is an arithmetic number, because the mean of its divisors is an integer number (749772662520).

Almost surely, 2^{22112201111200} is an apocalyptic number.

22112201111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112201111200 is an abundant number, since it is smaller than the sum of its proper divisors (31871430590240).

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

22112201111200 is a wasteful number, since it uses less digits than its factorization.

22112201111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137110 (or 1137097 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112201111200 its reverse (211110221122), we get a palindrome (22323311332322).

The spelling of 22112201111200 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, one hundred eleven thousand, two hundred".