2220110221 has 8 divisors (see below), whose sum is σ = 2537555904. Its totient is φ = 1902736320.

The previous prime is 2220110203. The next prime is 2220110231. The reversal of 2220110221 is 1220110222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220110221 - 2⁹ = 2220109709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220110231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100266 + ... + 120388.

It is an arithmetic number, because the mean of its divisors is an integer number (317194488).

Almost surely, 2^2220110221 is an apocalyptic number.

It is an amenable number.

2220110221 is a deficient number, since it is larger than the sum of its proper divisors (317445683).

2220110221 is a wasteful number, since it uses less digits than its factorization.

2220110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891.

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

The square root of 2220110221 is about 47118.0455982631. The cubic root of 2220110221 is about 1304.5423390898.

Adding to 2220110221 its reverse (1220110222), we get a palindrome (3440220443).

Subtracting from 2220110221 its reverse (1220110222), we obtain a palindrome (999999999).

The spelling of 2220110221 in words is "two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-one".