2011112222212 has 12 divisors (see below), whose sum is σ = 3522666384076. Its totient is φ = 1004636112480.

The previous prime is 2011112222173. The next prime is 2011112222213. The reversal of 2011112222212 is 2122222111102.

It can be written as a sum of positive squares in 2 ways, for example, as 1096996485376 + 914115736836 = 1047376^2 + 956094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2011112222212.

It is not an unprimeable number, because it can be changed into a prime (2011112222213) 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 3 ways as a sum of consecutive naturals, for example, 229994739 + ... + 230003482.

Almost surely, 2^{2011112222212} is an apocalyptic number.

It is an amenable number.

2011112222212 is a deficient number, since it is larger than the sum of its proper divisors (1511554161864).

2011112222212 is a wasteful number, since it uses less digits than its factorization.

2011112222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459999318 (or 459999316 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2011112222212 its reverse (2122222111102), we get a palindrome (4133334333314).

The spelling of 2011112222212 in words is "two trillion, eleven billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".