22001112200000 has 336 divisors, whose sum is σ = 55002354499008. Its totient is φ = 8730931200000.

The previous prime is 22001112199967. The next prime is 22001112200021. The reversal of 22001112200000 is 221110022.

It is a happy number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22658199515 + ... + 22658200485.

It is an arithmetic number, because the mean of its divisors is an integer number (163697483628).

Almost surely, 2^{22001112200000} is an apocalyptic number.

22001112200000 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 22001112200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27501177249504).

22001112200000 is an abundant number, since it is smaller than the sum of its proper divisors (33001242299008).

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

22001112200000 is an frugal number, since it uses more digits than its factorization.

22001112200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22001112200000 its reverse (221110022), we get a palindrome (22001333310022).

The spelling of 22001112200000 in words is "twenty-two trillion, one billion, one hundred twelve million, two hundred thousand".