220110102209 has 2 divisors, whose sum is σ = 220110102210. Its totient is φ = 220110102208.

The previous prime is 220110102203. The next prime is 220110102217. The reversal of 220110102209 is 902201011022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194169778609 + 25940323600 = 440647^2 + 161060^2 .

It is a cyclic number.

It is not a de Polignac number, because 220110102209 - 2¹⁶ = 220110036673 is a prime.

It is not a weakly prime, because it can be changed into another prime (220110102203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055051104 + 110055051105.

It is an arithmetic number, because the mean of its divisors is an integer number (110055051105).

Almost surely, 2^220110102209 is an apocalyptic number.

It is an amenable number.

220110102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

220110102209 is an equidigital number, since it uses as much as digits as its factorization.

220110102209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 220110102209 in words is "two hundred twenty billion, one hundred ten million, one hundred two thousand, two hundred nine".