122220210017 has 2 divisors, whose sum is σ = 122220210018. Its totient is φ = 122220210016.

The previous prime is 122220210001. The next prime is 122220210067. The reversal of 122220210017 is 710012022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108976573456 + 13243636561 = 330116^2 + 115081^2 .

It is an emirp because it is prime and its reverse (710012022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122220210017 - 2⁴ = 122220210001 is a prime.

It is not a weakly prime, because it can be changed into another prime (122220210067) 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 as a sum of consecutive naturals, namely, 61110105008 + 61110105009.

It is an arithmetic number, because the mean of its divisors is an integer number (61110105009).

Almost surely, 2^122220210017 is an apocalyptic number.

It is an amenable number.

122220210017 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220210017 is an equidigital number, since it uses as much as digits as its factorization.

122220210017 is an odious number, because the sum of its binary digits is odd.

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

Adding to 122220210017 its reverse (710012022221), we get a palindrome (832232232238).

The spelling of 122220210017 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred ten thousand, seventeen".