22210112111100 has 288 divisors, whose sum is σ = 66981428914176. Its totient is φ = 5677372108800.

The previous prime is 22210112111003. The next prime is 22210112111111. The reversal of 22210112111100 is 111121101222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22210112111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209415085 + ... + 209521115.

It is an arithmetic number, because the mean of its divisors is an integer number (232574405952).

Almost surely, 2^{22210112111100} is an apocalyptic number.

22210112111100 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 22210112111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33490714457088).

22210112111100 is an abundant number, since it is smaller than the sum of its proper divisors (44771316803076).

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

22210112111100 is a wasteful number, since it uses less digits than its factorization.

22210112111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106365 (or 106358 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22210112111100 its reverse (111121101222), we get a palindrome (22321233212322).

The spelling of 22210112111100 in words is "twenty-two trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, one hundred".