121611646234367 has 2 divisors, whose sum is σ = 121611646234368. Its totient is φ = 121611646234366.

The previous prime is 121611646234339. The next prime is 121611646234369. The reversal of 121611646234367 is 763432646116121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121611646234367 - 2²⁴ = 121611629457151 is a prime.

Together with 121611646234369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121611646234369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60805823117183 + 60805823117184.

It is an arithmetic number, because the mean of its divisors is an integer number (60805823117184).

Almost surely, 2^{121611646234367} is an apocalyptic number.

121611646234367 is a deficient number, since it is larger than the sum of its proper divisors (1).

121611646234367 is an equidigital number, since it uses as much as digits as its factorization.

121611646234367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 121611646234367 in words is "one hundred twenty-one trillion, six hundred eleven billion, six hundred forty-six million, two hundred thirty-four thousand, three hundred sixty-seven".