100421745858185 has 32 divisors (see below), whose sum is σ = 122669326886400. Its totient is φ = 78903927262720.

The previous prime is 100421745858179. The next prime is 100421745858197. The reversal of 100421745858185 is 581858547124001.

It is not a de Polignac number, because 100421745858185 - 2⁴ = 100421745858169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138924781 + ... + 1139012949.

It is an arithmetic number, because the mean of its divisors is an integer number (3833416465200).

Almost surely, 2^{100421745858185} is an apocalyptic number.

It is an amenable number.

100421745858185 is a deficient number, since it is larger than the sum of its proper divisors (22247581028215).

100421745858185 is a wasteful number, since it uses less digits than its factorization.

100421745858185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100441.

The product of its (nonzero) digits is 14336000, while the sum is 59.

The spelling of 100421745858185 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred forty-five million, eight hundred fifty-eight thousand, one hundred eighty-five".