121112088546689 has 2 divisors, whose sum is σ = 121112088546690. Its totient is φ = 121112088546688.

The previous prime is 121112088546643. The next prime is 121112088546707. The reversal of 121112088546689 is 986645880211121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101992527748225 + 19119560798464 = 10099135^2 + 4372592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121112088546689 is a prime.

It is not a weakly prime, because it can be changed into another prime (121112088546089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556044273344 + 60556044273345.

It is an arithmetic number, because the mean of its divisors is an integer number (60556044273345).

Almost surely, 2^{121112088546689} is an apocalyptic number.

It is an amenable number.

121112088546689 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112088546689 is an equidigital number, since it uses as much as digits as its factorization.

121112088546689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 62.

The spelling of 121112088546689 in words is "one hundred twenty-one trillion, one hundred twelve billion, eighty-eight million, five hundred forty-six thousand, six hundred eighty-nine".