22101101222200 has 768 divisors, whose sum is σ = 72928082304000. Its totient is φ = 5998841856000.

The previous prime is 22101101222153. The next prime is 22101101222267. The reversal of 22101101222200 is 222210110122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 916703746 + ... + 916727854.

It is an arithmetic number, because the mean of its divisors is an integer number (94958440500).

Almost surely, 2^{22101101222200} is an apocalyptic number.

22101101222200 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 22101101222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36464041152000).

22101101222200 is an abundant number, since it is smaller than the sum of its proper divisors (50826981081800).

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

22101101222200 is a wasteful number, since it uses less digits than its factorization.

22101101222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24416 (or 24407 counting only the distinct ones).

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

Adding to 22101101222200 its reverse (222210110122), we get a palindrome (22323311332322).

The spelling of 22101101222200 in words is "twenty-two trillion, one hundred one billion, one hundred one million, two hundred twenty-two thousand, two hundred".