10101202020017 has 2 divisors, whose sum is σ = 10101202020018. Its totient is φ = 10101202020016.

The previous prime is 10101202019971. The next prime is 10101202020061. The reversal of 10101202020017 is 71002020210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9971220860176 + 129981159841 = 3157724^2 + 360529^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101202020017 - 2²⁸ = 10100933584561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101202019977 and 10101202020004.

It is not a weakly prime, because it can be changed into another prime (10101202020097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050601010008 + 5050601010009.

It is an arithmetic number, because the mean of its divisors is an integer number (5050601010009).

Almost surely, 2^{10101202020017} is an apocalyptic number.

It is an amenable number.

10101202020017 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101202020017 is an equidigital number, since it uses as much as digits as its factorization.

10101202020017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 10101202020017 its reverse (71002020210101), we get a palindrome (81103222230118).

The spelling of 10101202020017 in words is "ten trillion, one hundred one billion, two hundred two million, twenty thousand, seventeen".