22020121011200 has 132 divisors (see below), whose sum is σ = 58781946399540. Its totient is φ = 8130506096640.

The previous prime is 22020121011149. The next prime is 22020121011209. The reversal of 22020121011200 is 211012102022.

It can be written as a sum of positive squares in 6 ways, for example, as 1991846723584 + 20028274287616 = 1411328^2 + 4475296^2 .

It is not an unprimeable number, because it can be changed into a prime (22020121011209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32750315 + ... + 33415914.

Almost surely, 2^{22020121011200} is an apocalyptic number.

22020121011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020121011200 is an abundant number, since it is smaller than the sum of its proper divisors (36761825388340).

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

22020121011200 is a wasteful number, since it uses less digits than its factorization.

22020121011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66166272 (or 66166249 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22020121011200 its reverse (211012102022), we get a palindrome (22231133113222).

The spelling of 22020121011200 in words is "twenty-two trillion, twenty billion, one hundred twenty-one million, eleven thousand, two hundred".