2200110221 has 4 divisors (see below), whose sum is σ = 2200931100. Its totient is φ = 2199289344.

The previous prime is 2200110217. The next prime is 2200110223. The reversal of 2200110221 is 1220110022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1220110022 = 2 ⋅610055011.

It can be written as a sum of positive squares in 2 ways, for example, as 139948900 + 2060161321 = 11830^2 + 45389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200110221 - 2² = 2200110217 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 (2200110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406406 + ... + 411783.

It is an arithmetic number, because the mean of its divisors is an integer number (550232775).

Almost surely, 2^2200110221 is an apocalyptic number.

It is an amenable number.

2200110221 is a deficient number, since it is larger than the sum of its proper divisors (820879).

2200110221 is an equidigital number, since it uses as much as digits as its factorization.

2200110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820878.

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

The square root of 2200110221 is about 46905.3325433260. The cubic root of 2200110221 is about 1300.6131665629.

Adding to 2200110221 its reverse (1220110022), we get a palindrome (3420220243).

The spelling of 2200110221 in words is "two billion, two hundred million, one hundred ten thousand, two hundred twenty-one".