2220221122120 has 16 divisors (see below), whose sum is σ = 4995497524860. Its totient is φ = 888088448832.

The previous prime is 2220221122081. The next prime is 2220221122129. The reversal of 2220221122120 is 212211220222.

2220221122120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1891004519044 + 329216603076 = 1375138^2 + 573774^2 .

It is a super-2 number, since 2×2220221122120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220221122129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27752763987 + ... + 27752764066.

Almost surely, 2^{2220221122120} is an apocalyptic number.

2220221122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221122120 is an abundant number, since it is smaller than the sum of its proper divisors (2775276402740).

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

2220221122120 is a wasteful number, since it uses less digits than its factorization.

2220221122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505528064 (or 55505528060 counting only the distinct ones).

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

Adding to 2220221122120 its reverse (212211220222), we get a palindrome (2432432342342).

The spelling of 2220221122120 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty".