121101317 has 2 divisors, whose sum is σ = 121101318. Its totient is φ = 121101316.

The previous prime is 121101313. The next prime is 121101329. The reversal of 121101317 is 713101121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98386561 + 22714756 = 9919^2 + 4766^2 .

It is a cyclic number.

It is not a de Polignac number, because 121101317 - 2² = 121101313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121101295 and 121101304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550658 + 60550659.

It is an arithmetic number, because the mean of its divisors is an integer number (60550659).

Almost surely, 2^121101317 is an apocalyptic number.

It is an amenable number.

121101317 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101317 is an equidigital number, since it uses as much as digits as its factorization.

121101317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 121101317 is about 11004.6043545418. The cubic root of 121101317 is about 494.7467561535.

Adding to 121101317 its reverse (713101121), we get a palindrome (834202438).

The spelling of 121101317 in words is "one hundred twenty-one million, one hundred one thousand, three hundred seventeen".