100421745858320 has 80 divisors (see below), whose sum is σ = 241026938288640. Its totient is φ = 38870555136000.

The previous prime is 100421745858199. The next prime is 100421745858349. The reversal of 100421745858320 is 23858547124001.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39567776 + ... + 42029184.

It is an arithmetic number, because the mean of its divisors is an integer number (3012836728608).

Almost surely, 2^{100421745858320} is an apocalyptic number.

100421745858320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100421745858320 is an abundant number, since it is smaller than the sum of its proper divisors (140605192430320).

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

100421745858320 is a wasteful number, since it uses less digits than its factorization.

100421745858320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477904 (or 2477898 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 100421745858320 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred fifty-eight thousand, three hundred twenty".