2220221021210 has 16 divisors (see below), whose sum is σ = 3996423029736. Its totient is φ = 888082810368.

The previous prime is 2220221021209. The next prime is 2220221021237. The reversal of 2220221021210 is 121201220222.

It is a happy number.

2220221021210 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 1616689363081 + 603531658129 = 1271491^2 + 776873^2 .

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, 1215614 + ... + 2432726.

Almost surely, 2^{2220221021210} is an apocalyptic number.

2220221021210 is a deficient number, since it is larger than the sum of its proper divisors (1776202008526).

2220221021210 is a wasteful number, since it uses less digits than its factorization.

2220221021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399537.

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

Adding to 2220221021210 its reverse (121201220222), we get a palindrome (2341422241432).

The spelling of 2220221021210 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, twenty-one thousand, two hundred ten".