121035686630917 has 2 divisors, whose sum is σ = 121035686630918. Its totient is φ = 121035686630916.

The previous prime is 121035686630879. The next prime is 121035686630939. The reversal of 121035686630917 is 719036686530121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91703778811681 + 29331907819236 = 9576209^2 + 5415894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121035686630917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121035686630317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60517843315458 + 60517843315459.

It is an arithmetic number, because the mean of its divisors is an integer number (60517843315459).

Almost surely, 2^{121035686630917} is an apocalyptic number.

It is an amenable number.

121035686630917 is a deficient number, since it is larger than the sum of its proper divisors (1).

121035686630917 is an equidigital number, since it uses as much as digits as its factorization.

121035686630917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 121035686630917 in words is "one hundred twenty-one trillion, thirty-five billion, six hundred eighty-six million, six hundred thirty thousand, nine hundred seventeen".