220112120017 has 2 divisors, whose sum is σ = 220112120018. Its totient is φ = 220112120016.

The previous prime is 220112119873. The next prime is 220112120023. The reversal of 220112120017 is 710021211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142346989521 + 77765130496 = 377289^2 + 278864^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112120017 - 2¹¹ = 220112117969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220112119976 and 220112120003.

It is not a weakly prime, because it can be changed into another prime (220112120027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056060008 + 110056060009.

It is an arithmetic number, because the mean of its divisors is an integer number (110056060009).

Almost surely, 2^220112120017 is an apocalyptic number.

It is an amenable number.

220112120017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112120017 is an equidigital number, since it uses as much as digits as its factorization.

220112120017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 220112120017 its reverse (710021211022), we get a palindrome (930133331039).

The spelling of 220112120017 in words is "two hundred twenty billion, one hundred twelve million, one hundred twenty thousand, seventeen".