195122111022767 has 2 divisors, whose sum is σ = 195122111022768. Its totient is φ = 195122111022766.

The previous prime is 195122111022737. The next prime is 195122111022821. The reversal of 195122111022767 is 767220111221591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195122111022767 is a prime.

It is a super-2 number, since 2×195122111022767² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195122111022737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97561055511383 + 97561055511384.

It is an arithmetic number, because the mean of its divisors is an integer number (97561055511384).

Almost surely, 2^{195122111022767} is an apocalyptic number.

195122111022767 is a deficient number, since it is larger than the sum of its proper divisors (1).

195122111022767 is an equidigital number, since it uses as much as digits as its factorization.

195122111022767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 195122111022767 in words is "one hundred ninety-five trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, seven hundred sixty-seven".