121010241017 has 2 divisors, whose sum is σ = 121010241018. Its totient is φ = 121010241016.

The previous prime is 121010240983. The next prime is 121010241019. The reversal of 121010241017 is 710142010121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117446031616 + 3564209401 = 342704^2 + 59701^2 .

It is an emirp because it is prime and its reverse (710142010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121010241017 - 2²⁰ = 121009192441 is a prime.

Together with 121010241019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121010241017.

It is not a weakly prime, because it can be changed into another prime (121010241019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505120508 + 60505120509.

It is an arithmetic number, because the mean of its divisors is an integer number (60505120509).

Almost surely, 2^121010241017 is an apocalyptic number.

It is an amenable number.

121010241017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010241017 is an equidigital number, since it uses as much as digits as its factorization.

121010241017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 121010241017 its reverse (710142010121), we get a palindrome (831152251138).

The spelling of 121010241017 in words is "one hundred twenty-one billion, ten million, two hundred forty-one thousand, seventeen".