2001109101 has 8 divisors (see below), whose sum is σ = 2682115584. Its totient is φ = 1327087680.

The previous prime is 2001109093. The next prime is 2001109133. The reversal of 2001109101 is 1019011002.

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

It is not a de Polignac number, because 2001109101 - 2³ = 2001109093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001109141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745596 + ... + 1746741.

It is an arithmetic number, because the mean of its divisors is an integer number (335264448).

Almost surely, 2^2001109101 is an apocalyptic number.

It is an amenable number.

2001109101 is a deficient number, since it is larger than the sum of its proper divisors (681006483).

2001109101 is a wasteful number, since it uses less digits than its factorization.

2001109101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492531.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 2001109101 is about 44733.7579574978. The cubic root of 2001109101 is about 1260.1539034732.

The spelling of 2001109101 in words is "two billion, one million, one hundred nine thousand, one hundred one".