2201111209 has 8 divisors (see below), whose sum is σ = 2402000352. Its totient is φ = 2000353440.

The previous prime is 2201111179. The next prime is 2201111249. The reversal of 2201111209 is 9021111022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201111209 - 2⁵ = 2201111177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3997 + ... + 66469.

It is an arithmetic number, because the mean of its divisors is an integer number (300250044).

Almost surely, 2^2201111209 is an apocalyptic number.

It is an amenable number.

2201111209 is a deficient number, since it is larger than the sum of its proper divisors (200889143).

2201111209 is a wasteful number, since it uses less digits than its factorization.

2201111209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65687.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2201111209 is about 46916.0016305738. The cubic root of 2201111209 is about 1300.8103840731.

The spelling of 2201111209 in words is "two billion, two hundred one million, one hundred eleven thousand, two hundred nine".