2220221210120 has 32 divisors (see below), whose sum is σ = 5021381148120. Its totient is φ = 883486986240.

The previous prime is 2220221210111. The next prime is 2220221210131. The reversal of 2220221210120 is 210121220222.

It is a happy number.

2220221210120 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 4 ways, for example, as 1320830727076 + 899390483044 = 1149274^2 + 948362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143788991 + ... + 143804430.

Almost surely, 2^{2220221210120} is an apocalyptic number.

2220221210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221210120 is an abundant number, since it is smaller than the sum of its proper divisors (2801159938000).

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

2220221210120 is a wasteful number, since it uses less digits than its factorization.

2220221210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287593625 (or 287593621 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220221210120 its reverse (210121220222), we get a palindrome (2430342430342).

The spelling of 2220221210120 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty".