22101100220200 has 24 divisors (see below), whose sum is σ = 51385058012430. Its totient is φ = 8840440088000.

The previous prime is 22101100220183. The next prime is 22101100220237. The reversal of 22101100220200 is 202200110122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15712550776836 + 6388549443364 = 3963906^2 + 2527558^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 55252750351 + ... + 55252750750.

Almost surely, 2^{22101100220200} is an apocalyptic number.

22101100220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101100220200 is an abundant number, since it is smaller than the sum of its proper divisors (29283957792230).

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

22101100220200 is a wasteful number, since it uses less digits than its factorization.

22101100220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505501117 (or 110505501108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22101100220200 its reverse (202200110122), we get a palindrome (22303300330322).

The spelling of 22101100220200 in words is "twenty-two trillion, one hundred one billion, one hundred million, two hundred twenty thousand, two hundred".