2011112221112 has 16 divisors (see below), whose sum is σ = 3770854760400. Its totient is φ = 1005550951680.

The previous prime is 2011112221051. The next prime is 2011112221123. The reversal of 2011112221112 is 2111222111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389437 + ... + 2439827.

It is an arithmetic number, because the mean of its divisors is an integer number (235678422525).

Almost surely, 2^{2011112221112} is an apocalyptic number.

It is an amenable number.

2011112221112 is a deficient number, since it is larger than the sum of its proper divisors (1759742539288).

2011112221112 is a wasteful number, since it uses less digits than its factorization.

2011112221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289726 (or 1289722 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2011112221112 its reverse (2111222111102), we get a palindrome (4122334332214).

The spelling of 2011112221112 in words is "two trillion, eleven billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".