22222120011200 has 84 divisors (see below), whose sum is σ = 54682010320800. Its totient is φ = 8888570634240.

The previous prime is 22222120011199. The next prime is 22222120011209. The reversal of 22222120011200 is 211002122222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222120011209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55559129 + ... + 55957671.

Almost surely, 2^{22222120011200} is an apocalyptic number.

22222120011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222120011200 is an abundant number, since it is smaller than the sum of its proper divisors (32459890309600).

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

22222120011200 is a wasteful number, since it uses less digits than its factorization.

22222120011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433414 (or 433399 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222120011200 its reverse (211002122222), we get a palindrome (22433122133422).

The spelling of 22222120011200 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, eleven thousand, two hundred".