22120101111200 has 72 divisors (see below), whose sum is σ = 54132728682060. Its totient is φ = 8826406963200.

The previous prime is 22120101111193. The next prime is 22120101111247. The reversal of 22120101111200 is 211110102122.

It can be written as a sum of positive squares in 6 ways, for example, as 5635819024144 + 16484282087056 = 2373988^2 + 4060084^2 .

It is a super-2 number, since 2×22120101111200² (a number of 27 digits) contains 22 as substring.

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, 33474911 + ... + 34129310.

Almost surely, 2^{22120101111200} is an apocalyptic number.

22120101111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120101111200 is an abundant number, since it is smaller than the sum of its proper divisors (32012627570860).

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

22120101111200 is a wasteful number, since it uses less digits than its factorization.

22120101111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67604650 (or 67604637 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22120101111200 its reverse (211110102122), we get a palindrome (22331211213322).

The spelling of 22120101111200 in words is "twenty-two trillion, one hundred twenty billion, one hundred one million, one hundred eleven thousand, two hundred".