100109901 has 8 divisors (see below), whose sum is σ = 137087584. Its totient is φ = 64936080.

The previous prime is 100109899. The next prime is 100109921. The reversal of 100109901 is 109901001.

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

It is not a de Polignac number, because 100109901 - 2¹ = 100109899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100109921) 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, 450835 + ... + 451056.

It is an arithmetic number, because the mean of its divisors is an integer number (17135948).

Almost surely, 2^100109901 is an apocalyptic number.

It is an amenable number.

100109901 is a deficient number, since it is larger than the sum of its proper divisors (36977683).

100109901 is an equidigital number, since it uses as much as digits as its factorization.

100109901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901931.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 100109901 is about 10005.4935410503. The cubic root of 100109901 is about 464.3288595261.

The spelling of 100109901 in words is "one hundred million, one hundred nine thousand, nine hundred one".