100421745847808 has 80 divisors (see below), whose sum is σ = 250157741986944. Its totient is φ = 39125355509760.

The previous prime is 100421745847783. The next prime is 100421745847853. The reversal of 100421745847808 is 808748547124001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273572410 + ... + 1273651257.

Almost surely, 2^{100421745847808} is an apocalyptic number.

It is an amenable number.

100421745847808 is an abundant number, since it is smaller than the sum of its proper divisors (149735996139136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100421745847808 is an equidigital number, since it uses as much as digits as its factorization.

100421745847808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547223703 (or 2547223687 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 59.

The spelling of 100421745847808 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred forty-seven thousand, eight hundred eight".