121242363242167 has 2 divisors, whose sum is σ = 121242363242168. Its totient is φ = 121242363242166.

The previous prime is 121242363242111. The next prime is 121242363242171. The reversal of 121242363242167 is 761242363242121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121242363242167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121242363242467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60621181621083 + 60621181621084.

It is an arithmetic number, because the mean of its divisors is an integer number (60621181621084).

Almost surely, 2^{121242363242167} is an apocalyptic number.

121242363242167 is a deficient number, since it is larger than the sum of its proper divisors (1).

121242363242167 is an equidigital number, since it uses as much as digits as its factorization.

121242363242167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 46.

Subtracting from 121242363242167 its sum of digits (46), we obtain a palindrome (121242363242121).

The spelling of 121242363242167 in words is "one hundred twenty-one trillion, two hundred forty-two billion, three hundred sixty-three million, two hundred forty-two thousand, one hundred sixty-seven".