122001200109979 has 2 divisors, whose sum is σ = 122001200109980. Its totient is φ = 122001200109978.

The previous prime is 122001200109949. The next prime is 122001200110001. The reversal of 122001200109979 is 979901002100221.

It is a strong prime.

It is an emirp because it is prime and its reverse (979901002100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122001200109979 - 2¹⁹ = 122001199585691 is a prime.

It is not a weakly prime, because it can be changed into another prime (122001200109949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000600054989 + 61000600054990.

It is an arithmetic number, because the mean of its divisors is an integer number (61000600054990).

Almost surely, 2^{122001200109979} is an apocalyptic number.

122001200109979 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001200109979 is an equidigital number, since it uses as much as digits as its factorization.

122001200109979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 122001200109979 in words is "one hundred twenty-two trillion, one billion, two hundred million, one hundred nine thousand, nine hundred seventy-nine".