22120221220200 has 192 divisors, whose sum is σ = 77109849028800. Its totient is φ = 5827656556800.

The previous prime is 22120221220199. The next prime is 22120221220211. The reversal of 22120221220200 is 202212202122.

22120221220200 is a `hidden beast` number, since 2 + 2 + 1 + 20 + 221 + 220 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 24228531 + ... + 25124930.

It is an arithmetic number, because the mean of its divisors is an integer number (401613797025).

Almost surely, 2^{22120221220200} is an apocalyptic number.

22120221220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120221220200 is an abundant number, since it is smaller than the sum of its proper divisors (54989627808600).

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

22120221220200 is a wasteful number, since it uses less digits than its factorization.

22120221220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49353569 (or 49353554 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22120221220200 its reverse (202212202122), we get a palindrome (22322433422322).

The spelling of 22120221220200 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred".