22120112300 has 72 divisors (see below), whose sum is σ = 56392401072. Its totient is φ = 7424928000.

The previous prime is 22120112233. The next prime is 22120112317. The reversal of 22120112300 is 321102122.

It is a happy number.

It is a super-2 number, since 2×22120112300² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759131 + ... + 787730.

Almost surely, 2^22120112300 is an apocalyptic number.

22120112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120112300 is an abundant number, since it is smaller than the sum of its proper divisors (34272288772).

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

22120112300 is a wasteful number, since it uses less digits than its factorization.

22120112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546899 (or 1546892 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22120112300 its reverse (321102122), we get a palindrome (22441214422).

The spelling of 22120112300 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, three hundred".