22100111102200 has 96 divisors (see below), whose sum is σ = 52037113608000. Its totient is φ = 8727484147200.

The previous prime is 22100111102117. The next prime is 22100111102203. The reversal of 22100111102200 is 220111100122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100111102203) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 244238566 + ... + 244329034.

It is an arithmetic number, because the mean of its divisors is an integer number (542053266750).

Almost surely, 2^{22100111102200} is an apocalyptic number.

22100111102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100111102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26018556804000).

22100111102200 is an abundant number, since it is smaller than the sum of its proper divisors (29937002505800).

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

22100111102200 is a wasteful number, since it uses less digits than its factorization.

22100111102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106025 (or 106016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22100111102200 its reverse (220111100122), we get a palindrome (22320222202322).

The spelling of 22100111102200 in words is "twenty-two trillion, one hundred billion, one hundred eleven million, one hundred two thousand, two hundred".