121000020230017 has 2 divisors, whose sum is σ = 121000020230018. Its totient is φ = 121000020230016.

The previous prime is 121000020229909. The next prime is 121000020230029. The reversal of 121000020230017 is 710032020000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65881809131121 + 55118211098896 = 8116761^2 + 7424164^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000020230017 - 2⁴³ = 112203927207809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000020229976 and 121000020230003.

It is not a weakly prime, because it can be changed into another prime (121000020230317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500010115008 + 60500010115009.

It is an arithmetic number, because the mean of its divisors is an integer number (60500010115009).

Almost surely, 2^{121000020230017} is an apocalyptic number.

It is an amenable number.

121000020230017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000020230017 is an equidigital number, since it uses as much as digits as its factorization.

121000020230017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 121000020230017 its reverse (710032020000121), we get a palindrome (831032040230138).

The spelling of 121000020230017 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand, seventeen".