2011221112112 has 40 divisors (see below), whose sum is σ = 3950621987760. Its totient is φ = 991748357120.

The previous prime is 2011221112111. The next prime is 2011221112151. The reversal of 2011221112112 is 2112111221102.

It is not an unprimeable number, because it can be changed into a prime (2011221112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575189 + ... + 2086452.

It is an arithmetic number, because the mean of its divisors is an integer number (98765549694).

Almost surely, 2^{2011221112112} is an apocalyptic number.

It is an amenable number.

2011221112112 is a deficient number, since it is larger than the sum of its proper divisors (1939400875648).

2011221112112 is a wasteful number, since it uses less digits than its factorization.

2011221112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662301 (or 2662295 counting only the distinct ones).

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

Adding to 2011221112112 its reverse (2112111221102), we get a palindrome (4123332333214).

The spelling of 2011221112112 in words is "two trillion, eleven billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twelve".