2011112223 has 16 divisors (see below), whose sum is σ = 2849341536. Its totient is φ = 1257374720.

The previous prime is 2011112221. The next prime is 2011112227. The reversal of 2011112223 is 3222111102.

It is a cyclic number.

It is not a de Polignac number, because 2011112223 - 2¹ = 2011112221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55836 + ... + 84497.

It is an arithmetic number, because the mean of its divisors is an integer number (178083846).

Almost surely, 2^2011112223 is an apocalyptic number.

2011112223 is a deficient number, since it is larger than the sum of its proper divisors (838229313).

2011112223 is a wasteful number, since it uses less digits than its factorization.

2011112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140634.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2011112223 is about 44845.4258871515. The cubic root of 2011112223 is about 1262.2501622150.

Adding to 2011112223 its reverse (3222111102), we get a palindrome (5233223325).

The spelling of 2011112223 in words is "two billion, eleven million, one hundred twelve thousand, two hundred twenty-three".