121660445233 has 2 divisors, whose sum is σ = 121660445234. Its totient is φ = 121660445232.

The previous prime is 121660445227. The next prime is 121660445237. The reversal of 121660445233 is 332544066121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117825368049 + 3835077184 = 343257^2 + 61928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121660445233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121660445192 and 121660445201.

It is not a weakly prime, because it can be changed into another prime (121660445237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60830222616 + 60830222617.

It is an arithmetic number, because the mean of its divisors is an integer number (60830222617).

Almost surely, 2^121660445233 is an apocalyptic number.

It is an amenable number.

121660445233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121660445233 is an equidigital number, since it uses as much as digits as its factorization.

121660445233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 121660445233 in words is "one hundred twenty-one billion, six hundred sixty million, four hundred forty-five thousand, two hundred thirty-three".