22100120221200 has 240 divisors, whose sum is σ = 82434045776256. Its totient is φ = 4956145459200.

The previous prime is 22100120221199. The next prime is 22100120221213. The reversal of 22100120221200 is 212202100122.

It is a tau number, because it is divible by the number of its divisors (240).

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 22100120221200.

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, 24375241 + ... + 25265640.

Almost surely, 2^{22100120221200} is an apocalyptic number.

22100120221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100120221200 is an abundant number, since it is smaller than the sum of its proper divisors (60333925555056).

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

22100120221200 is a wasteful number, since it uses less digits than its factorization.

22100120221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49640962 (or 49640951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100120221200 its reverse (212202100122), we get a palindrome (22312322321322).

The spelling of 22100120221200 in words is "twenty-two trillion, one hundred billion, one hundred twenty million, two hundred twenty-one thousand, two hundred".