121421301359 has 2 divisors, whose sum is σ = 121421301360. Its totient is φ = 121421301358.

The previous prime is 121421301289. The next prime is 121421301367. The reversal of 121421301359 is 953103124121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121421301359 - 2²⁰ = 121420252783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121421301259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60710650679 + 60710650680.

It is an arithmetic number, because the mean of its divisors is an integer number (60710650680).

Almost surely, 2^121421301359 is an apocalyptic number.

121421301359 is a deficient number, since it is larger than the sum of its proper divisors (1).

121421301359 is an equidigital number, since it uses as much as digits as its factorization.

121421301359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 121421301359 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, three hundred fifty-nine".