121355448337 has 2 divisors, whose sum is σ = 121355448338. Its totient is φ = 121355448336.

The previous prime is 121355448317. The next prime is 121355448341. The reversal of 121355448337 is 733844553121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74502248401 + 46853199936 = 272951^2 + 216456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121355448337 is a prime.

It is not a weakly prime, because it can be changed into another prime (121355448317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60677724168 + 60677724169.

It is an arithmetic number, because the mean of its divisors is an integer number (60677724169).

Almost surely, 2^121355448337 is an apocalyptic number.

It is an amenable number.

121355448337 is a deficient number, since it is larger than the sum of its proper divisors (1).

121355448337 is an equidigital number, since it uses as much as digits as its factorization.

121355448337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 46.

The spelling of 121355448337 in words is "one hundred twenty-one billion, three hundred fifty-five million, four hundred forty-eight thousand, three hundred thirty-seven".