100421802350879 has 2 divisors, whose sum is σ = 100421802350880. Its totient is φ = 100421802350878.

The previous prime is 100421802350867. The next prime is 100421802350899. The reversal of 100421802350879 is 978053208124001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100421802350879 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100421802350899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210901175439 + 50210901175440.

It is an arithmetic number, because the mean of its divisors is an integer number (50210901175440).

Almost surely, 2^{100421802350879} is an apocalyptic number.

100421802350879 is a deficient number, since it is larger than the sum of its proper divisors (1).

100421802350879 is an equidigital number, since it uses as much as digits as its factorization.

100421802350879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 100421802350879 in words is "one hundred trillion, four hundred twenty-one billion, eight hundred two million, three hundred fifty thousand, eight hundred seventy-nine".