2011222112 has 48 divisors (see below), whose sum is σ = 4024538784. Its totient is φ = 989184000.

The previous prime is 2011222093. The next prime is 2011222117. The reversal of 2011222112 is 2112221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011222117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455662 + ... + 1457042.

It is an arithmetic number, because the mean of its divisors is an integer number (83844558).

Almost surely, 2^2011222112 is an apocalyptic number.

It is an amenable number.

2011222112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2011222112 is a wasteful number, since it uses less digits than its factorization.

2011222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2011222112 is about 44846.6510678334. The cubic root of 2011222112 is about 1262.2731519617.

Adding to 2011222112 its reverse (2112221102), we get a palindrome (4123443214).

It can be divided in two parts, 20112 and 22112, that added together give a palindrome (42224).

The spelling of 2011222112 in words is "two billion, eleven million, two hundred twenty-two thousand, one hundred twelve".