121009952765683 has 2 divisors, whose sum is σ = 121009952765684. Its totient is φ = 121009952765682.

The previous prime is 121009952765587. The next prime is 121009952765707. The reversal of 121009952765683 is 386567259900121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121009952765683 - 2⁹ = 121009952765171 is a prime.

It is not a weakly prime, because it can be changed into another prime (121009952769683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60504976382841 + 60504976382842.

It is an arithmetic number, because the mean of its divisors is an integer number (60504976382842).

Almost surely, 2^{121009952765683} is an apocalyptic number.

121009952765683 is a deficient number, since it is larger than the sum of its proper divisors (1).

121009952765683 is an equidigital number, since it uses as much as digits as its factorization.

121009952765683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 121009952765683 in words is "one hundred twenty-one trillion, nine billion, nine hundred fifty-two million, seven hundred sixty-five thousand, six hundred eighty-three".