100445385121 has 8 divisors (see below), whose sum is σ = 101042715200. Its totient is φ = 99848981232.

The previous prime is 100445385113. The next prime is 100445385197. The reversal of 100445385121 is 121583544001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100445385121 - 2³ = 100445385113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100445335121) 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 in 7 ways as a sum of consecutive naturals, for example, 13395 + ... + 448408.

It is an arithmetic number, because the mean of its divisors is an integer number (12630339400).

Almost surely, 2^100445385121 is an apocalyptic number.

It is an amenable number.

100445385121 is a deficient number, since it is larger than the sum of its proper divisors (597330079).

100445385121 is a wasteful number, since it uses less digits than its factorization.

100445385121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463095.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 100445385121 in words is "one hundred billion, four hundred forty-five million, three hundred eighty-five thousand, one hundred twenty-one".