121301031321287 has 2 divisors, whose sum is σ = 121301031321288. Its totient is φ = 121301031321286.

The previous prime is 121301031321221. The next prime is 121301031321313. The reversal of 121301031321287 is 782123130103121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121301031321287 - 2⁸ = 121301031321031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301031324287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650515660643 + 60650515660644.

It is an arithmetic number, because the mean of its divisors is an integer number (60650515660644).

Almost surely, 2^{121301031321287} is an apocalyptic number.

121301031321287 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301031321287 is an equidigital number, since it uses as much as digits as its factorization.

121301031321287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 121301031321287 in words is "one hundred twenty-one trillion, three hundred one billion, thirty-one million, three hundred twenty-one thousand, two hundred eighty-seven".