1021002110017 has 2 divisors, whose sum is σ = 1021002110018. Its totient is φ = 1021002110016.

The previous prime is 1021002109993. The next prime is 1021002110071. The reversal of 1021002110017 is 7100112001201.

Together with next prime (1021002110071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986464117681 + 34537992336 = 993209^2 + 185844^2 .

It is an emirp because it is prime and its reverse (7100112001201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021002110017 - 2¹⁹ = 1021001585729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021002170017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510501055008 + 510501055009.

It is an arithmetic number, because the mean of its divisors is an integer number (510501055009).

Almost surely, 2^{1021002110017} is an apocalyptic number.

It is an amenable number.

1021002110017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021002110017 is an equidigital number, since it uses as much as digits as its factorization.

1021002110017 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 1021002110017 its reverse (7100112001201), we get a palindrome (8121114111218).

The spelling of 1021002110017 in words is "one trillion, twenty-one billion, two million, one hundred ten thousand, seventeen".