22201011211200 has 168 divisors, whose sum is σ = 72856408617600. Its totient is φ = 5918758579200.

The previous prime is 22201011211193. The next prime is 22201011211213. The reversal of 22201011211200 is 211211010222.

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 22201011211200.

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, 18280501 + ... + 19457099.

Almost surely, 2^{22201011211200} is an apocalyptic number.

22201011211200 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 22201011211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36428204308800).

22201011211200 is an abundant number, since it is smaller than the sum of its proper divisors (50655397406400).

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

22201011211200 is a wasteful number, since it uses less digits than its factorization.

22201011211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180555 (or 1180540 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22201011211200 its reverse (211211010222), we get a palindrome (22412222221422).

The spelling of 22201011211200 in words is "twenty-two trillion, two hundred one billion, eleven million, two hundred eleven thousand, two hundred".