100001320079 has 2 divisors, whose sum is σ = 100001320080. Its totient is φ = 100001320078.

The previous prime is 100001320039. The next prime is 100001320127. The reversal of 100001320079 is 970023100001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100001320079 - 2³⁶ = 31281843343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001320019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000660039 + 50000660040.

It is an arithmetic number, because the mean of its divisors is an integer number (50000660040).

Almost surely, 2^100001320079 is an apocalyptic number.

100001320079 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001320079 is an equidigital number, since it uses as much as digits as its factorization.

100001320079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The spelling of 100001320079 in words is "one hundred billion, one million, three hundred twenty thousand, seventy-nine".