2210110221 has 16 divisors (see below), whose sum is σ = 3215697408. Its totient is φ = 1339047600.

The previous prime is 2210110193. The next prime is 2210110237. The reversal of 2210110221 is 1220110122.

It is not a de Polignac number, because 2210110221 - 2⁶ = 2210110157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2210110197 and 2210110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210110121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124576 + ... + 141206.

It is an arithmetic number, because the mean of its divisors is an integer number (200981088).

Almost surely, 2^2210110221 is an apocalyptic number.

It is an amenable number.

2210110221 is a deficient number, since it is larger than the sum of its proper divisors (1005587187).

2210110221 is a wasteful number, since it uses less digits than its factorization.

2210110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20672.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2210110221 is about 47011.8093780701. The cubic root of 2210110221 is about 1302.5807158667.

Adding to 2210110221 its reverse (1220110122), we get a palindrome (3430220343).

Subtracting from 2210110221 its reverse (1220110122), we obtain a palindrome (990000099).

The spelling of 2210110221 in words is "two billion, two hundred ten million, one hundred ten thousand, two hundred twenty-one".