220110000221 has 6 divisors (see below), whose sum is σ = 220806644730. Its totient is φ = 219415546736.

The previous prime is 220110000217. The next prime is 220110000247. The reversal of 220110000221 is 122000011022.

It is a happy number.

220110000221 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 3 ways, for example, as 42055225 + 220067944996 = 6485^2 + 469114^2 .

It is not a de Polignac number, because 220110000221 - 2² = 220110000217 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 (220110009221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 994706 + ... + 1195683.

It is an arithmetic number, because the mean of its divisors is an integer number (36801107455).

Almost surely, 2^220110000221 is an apocalyptic number.

It is an amenable number.

220110000221 is a deficient number, since it is larger than the sum of its proper divisors (696644509).

220110000221 is an frugal number, since it uses more digits than its factorization.

220110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191023 (or 2190706 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220110000221 its reverse (122000011022), we get a palindrome (342110011243).

The spelling of 220110000221 in words is "two hundred twenty billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.