121000020230317 has 2 divisors, whose sum is σ = 121000020230318. Its totient is φ = 121000020230316.

The previous prime is 121000020230291. The next prime is 121000020230321. The reversal of 121000020230317 is 713032020000121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82191431270601 + 38808588959716 = 9065949^2 + 6229654^2 .

It is an emirp because it is prime and its reverse (713032020000121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000020230317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000020230017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500010115158 + 60500010115159.

It is an arithmetic number, because the mean of its divisors is an integer number (60500010115159).

Almost surely, 2^{121000020230317} is an apocalyptic number.

It is an amenable number.

121000020230317 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000020230317 is an equidigital number, since it uses as much as digits as its factorization.

121000020230317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 121000020230317 its reverse (713032020000121), we get a palindrome (834032040230438).

The spelling of 121000020230317 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand, three hundred seventeen".