1222201020017 has 2 divisors, whose sum is σ = 1222201020018. Its totient is φ = 1222201020016.

The previous prime is 1222201019981. The next prime is 1222201020041. The reversal of 1222201020017 is 7100201022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695624389681 + 526576630336 = 834041^2 + 725656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222201020017 - 2¹⁰ = 1222201018993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222201020617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611100510008 + 611100510009.

It is an arithmetic number, because the mean of its divisors is an integer number (611100510009).

Almost surely, 2^{1222201020017} is an apocalyptic number.

It is an amenable number.

1222201020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222201020017 is an equidigital number, since it uses as much as digits as its factorization.

1222201020017 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 1222201020017 its reverse (7100201022221), we get a palindrome (8322402042238).

The spelling of 1222201020017 in words is "one trillion, two hundred twenty-two billion, two hundred one million, twenty thousand, seventeen".