22111102022200 has 96 divisors (see below), whose sum is σ = 51920539216560. Its totient is φ = 8756326656000.

The previous prime is 22111102022171. The next prime is 22111102022239. The reversal of 22111102022200 is 222020111122.

It is a happy number.

It is a super-2 number, since 2×22111102022200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522613447 + ... + 522655753.

Almost surely, 2^{22111102022200} is an apocalyptic number.

22111102022200 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 22111102022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25960269608280).

22111102022200 is an abundant number, since it is smaller than the sum of its proper divisors (29809437194360).

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

22111102022200 is a wasteful number, since it uses less digits than its factorization.

22111102022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68297 (or 68288 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22111102022200 its reverse (222020111122), we get a palindrome (22333122133322).

The spelling of 22111102022200 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, twenty-two thousand, two hundred".