121208114849 has 2 divisors, whose sum is σ = 121208114850. Its totient is φ = 121208114848.

The previous prime is 121208114821. The next prime is 121208114857. The reversal of 121208114849 is 948411802121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120448561249 + 759553600 = 347057^2 + 27560^2 .

It is a cyclic number.

It is not a de Polignac number, because 121208114849 - 2²⁰ = 121207066273 is a prime.

It is not a weakly prime, because it can be changed into another prime (121208114879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60604057424 + 60604057425.

It is an arithmetic number, because the mean of its divisors is an integer number (60604057425).

Almost surely, 2^121208114849 is an apocalyptic number.

It is an amenable number.

121208114849 is a deficient number, since it is larger than the sum of its proper divisors (1).

121208114849 is an equidigital number, since it uses as much as digits as its factorization.

121208114849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 121208114849 in words is "one hundred twenty-one billion, two hundred eight million, one hundred fourteen thousand, eight hundred forty-nine".