22200222121120 has 24 divisors (see below), whose sum is σ = 52448024761524. Its totient is φ = 8880088848384.

The previous prime is 22200222121081. The next prime is 22200222121177. The reversal of 22200222121120 is 2112122200222.

It can be written as a sum of positive squares in 2 ways, for example, as 20275532042896 + 1924690078224 = 4502836^2 + 1387332^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69375693969 + ... + 69375694288.

Almost surely, 2^{22200222121120} is an apocalyptic number.

22200222121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200222121120 is an abundant number, since it is smaller than the sum of its proper divisors (30247802640404).

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

22200222121120 is a wasteful number, since it uses less digits than its factorization.

22200222121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138751388272 (or 138751388264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22200222121120 its reverse (2112122200222), we get a palindrome (24312344321342).

The spelling of 22200222121120 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty".