22011102200 has 24 divisors (see below), whose sum is σ = 51175813080. Its totient is φ = 8804440800.

The previous prime is 22011102199. The next prime is 22011102203. The reversal of 22011102200 is 220111022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011102203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55027556 + ... + 55027955.

It is an arithmetic number, because the mean of its divisors is an integer number (2132325545).

Almost surely, 2^22011102200 is an apocalyptic number.

22011102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011102200 is an abundant number, since it is smaller than the sum of its proper divisors (29164710880).

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

22011102200 is a wasteful number, since it uses less digits than its factorization.

22011102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110055527 (or 110055518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011102200 its reverse (220111022), we get a palindrome (22231213222).

22011102200 divided by its reverse (220111022) gives a square (100 = 10²).

The spelling of 22011102200 in words is "twenty-two billion, eleven million, one hundred two thousand, two hundred".