1909091100201 has 8 divisors (see below), whose sum is σ = 2545463442144. Its totient is φ = 1272723079200.

The previous prime is 1909091100121. The next prime is 1909091100209. The reversal of 1909091100201 is 1020011909091.

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

It is not a de Polignac number, because 1909091100201 - 2¹⁰ = 1909091099177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1909091100209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 151245 + ... + 1959861.

It is an arithmetic number, because the mean of its divisors is an integer number (318182930268).

Almost surely, 2^{1909091100201} is an apocalyptic number.

It is an amenable number.

1909091100201 is a deficient number, since it is larger than the sum of its proper divisors (636372341943).

1909091100201 is a wasteful number, since it uses less digits than its factorization.

1909091100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160471.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 1909091100201 in words is "one trillion, nine hundred nine billion, ninety-one million, one hundred thousand, two hundred one".