2111330091 has 8 divisors (see below), whose sum is σ = 3031653520. Its totient is φ = 1299280032.

The previous prime is 2111330077. The next prime is 2111330093. The reversal of 2111330091 is 1900331112.

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

It is not a de Polignac number, because 2111330091 - 2⁵ = 2111330059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111330093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27068296 + ... + 27068373.

It is an arithmetic number, because the mean of its divisors is an integer number (378956690).

Almost surely, 2^2111330091 is an apocalyptic number.

2111330091 is a deficient number, since it is larger than the sum of its proper divisors (920323429).

2111330091 is a wasteful number, since it uses less digits than its factorization.

2111330091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54136685.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 2111330091 is about 45949.2120824721. The cubic root of 2111330091 is about 1282.8780638579.

The spelling of 2111330091 in words is "two billion, one hundred eleven million, three hundred thirty thousand, ninety-one".