121303023311191 has 2 divisors, whose sum is σ = 121303023311192. Its totient is φ = 121303023311190.

The previous prime is 121303023311161. The next prime is 121303023311207. The reversal of 121303023311191 is 191113320303121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121303023311191 - 2¹⁹ = 121303022786903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121303023311131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651511655595 + 60651511655596.

It is an arithmetic number, because the mean of its divisors is an integer number (60651511655596).

Almost surely, 2^{121303023311191} is an apocalyptic number.

121303023311191 is a deficient number, since it is larger than the sum of its proper divisors (1).

121303023311191 is an equidigital number, since it uses as much as digits as its factorization.

121303023311191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 121303023311191 in words is "one hundred twenty-one trillion, three hundred three billion, twenty-three million, three hundred eleven thousand, one hundred ninety-one".