2011112013209 has 32 divisors (see below), whose sum is σ = 2205972768384. Its totient is φ = 1822243392000.

The previous prime is 2011112013193. The next prime is 2011112013289. The reversal of 2011112013209 is 9023102111102.

It is a cyclic number.

It is not a de Polignac number, because 2011112013209 - 2⁴ = 2011112013193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011112013289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403268414 + ... + 403273400.

It is an arithmetic number, because the mean of its divisors is an integer number (68936649012).

Almost surely, 2^{2011112013209} is an apocalyptic number.

It is an amenable number.

2011112013209 is a deficient number, since it is larger than the sum of its proper divisors (194860755175).

2011112013209 is a wasteful number, since it uses less digits than its factorization.

2011112013209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 2011112013209 in words is "two trillion, eleven billion, one hundred twelve million, thirteen thousand, two hundred nine".