1011201020017 has 2 divisors, whose sum is σ = 1011201020018. Its totient is φ = 1011201020016.

The previous prime is 1011201020003. The next prime is 1011201020041. The reversal of 1011201020017 is 7100201021101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984373528336 + 26827491681 = 992156^2 + 163791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011201020017 - 2⁷ = 1011201019889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011201024017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600510008 + 505600510009.

It is an arithmetic number, because the mean of its divisors is an integer number (505600510009).

Almost surely, 2^{1011201020017} is an apocalyptic number.

It is an amenable number.

1011201020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201020017 is an equidigital number, since it uses as much as digits as its factorization.

1011201020017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 1011201020017 its reverse (7100201021101), we get a palindrome (8111402041118).

The spelling of 1011201020017 in words is "one trillion, eleven billion, two hundred one million, twenty thousand, seventeen".