22111101010200 has 384 divisors, whose sum is σ = 76271459742720. Its totient is φ = 5273894707200.

The previous prime is 22111101010169. The next prime is 22111101010249. The reversal of 22111101010200 is 201010111122.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 15546945 + ... + 16909455.

It is an arithmetic number, because the mean of its divisors is an integer number (198623593080).

Almost surely, 2^{22111101010200} is an apocalyptic number.

22111101010200 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 22111101010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38135729871360).

22111101010200 is an abundant number, since it is smaller than the sum of its proper divisors (54160358732520).

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

22111101010200 is a wasteful number, since it uses less digits than its factorization.

22111101010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362627 (or 1362618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111101010200 its reverse (201010111122), we get a palindrome (22312111121322).

The spelling of 22111101010200 in words is "twenty-two trillion, one hundred eleven billion, one hundred one million, ten thousand, two hundred".