22200110200120 has 64 divisors (see below), whose sum is σ = 50719052995200. Its totient is φ = 8743489349760.

The previous prime is 22200110200061. The next prime is 22200110200133. The reversal of 22200110200120 is 2100201100222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22200110200120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3938935 + ... + 7740505.

It is an arithmetic number, because the mean of its divisors is an integer number (792485203050).

Almost surely, 2^{22200110200120} is an apocalyptic number.

22200110200120 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 22200110200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25359526497600).

22200110200120 is an abundant number, since it is smaller than the sum of its proper divisors (28518942795080).

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

22200110200120 is a wasteful number, since it uses less digits than its factorization.

22200110200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803828 (or 3803824 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200110200120 its reverse (2100201100222), we get a palindrome (24300311300342).

The spelling of 22200110200120 in words is "twenty-two trillion, two hundred billion, one hundred ten million, two hundred thousand, one hundred twenty".