220122210017 has 2 divisors, whose sum is σ = 220122210018. Its totient is φ = 220122210016.

The previous prime is 220122209963. The next prime is 220122210023. The reversal of 220122210017 is 710012221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219600955456 + 521254561 = 468616^2 + 22831^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122210017 - 2¹⁶ = 220122144481 is a prime.

It is not a weakly prime, because it can be changed into another prime (220122210037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061105008 + 110061105009.

It is an arithmetic number, because the mean of its divisors is an integer number (110061105009).

Almost surely, 2^220122210017 is an apocalyptic number.

It is an amenable number.

220122210017 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122210017 is an equidigital number, since it uses as much as digits as its factorization.

220122210017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 220122210017 its reverse (710012221022), we get a palindrome (930134431039).

The spelling of 220122210017 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred ten thousand, seventeen".