2221120210 has 32 divisors (see below), whose sum is σ = 4250983680. Its totient is φ = 832672512.

The previous prime is 2221120177. The next prime is 2221120229. The reversal of 2221120210 is 120211222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13297 + ... + 67963.

It is an arithmetic number, because the mean of its divisors is an integer number (132843240).

Almost surely, 2^2221120210 is an apocalyptic number.

2221120210 is a deficient number, since it is larger than the sum of its proper divisors (2029863470).

2221120210 is a wasteful number, since it uses less digits than its factorization.

2221120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54930.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2221120210 is about 47128.7620249036. The cubic root of 2221120210 is about 1304.7401331228.

Adding to 2221120210 its reverse (120211222), we get a palindrome (2341331432).

The spelling of 2221120210 in words is "two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred ten".