2011131112 has 32 divisors (see below), whose sum is σ = 3851452800. Its totient is φ = 984225664.

The previous prime is 2011131079. The next prime is 2011131137. The reversal of 2011131112 is 2111311102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011131092 and 2011131101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100833 + ... + 119119.

It is an arithmetic number, because the mean of its divisors is an integer number (120357900).

Almost surely, 2^2011131112 is an apocalyptic number.

It is an amenable number.

2011131112 is a deficient number, since it is larger than the sum of its proper divisors (1840321688).

2011131112 is a wasteful number, since it uses less digits than its factorization.

2011131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585 (or 18581 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2011131112 is about 44845.6364878457. The cubic root of 2011131112 is about 1262.2541140198.

Adding to 2011131112 its reverse (2111311102), we get a palindrome (4122442214).

The spelling of 2011131112 in words is "two billion, eleven million, one hundred thirty-one thousand, one hundred twelve".