2012211112222 has 16 divisors (see below), whose sum is σ = 3050372136960. Its totient is φ = 995463573048.

The previous prime is 2012211112213. The next prime is 2012211112229. The reversal of 2012211112222 is 2222111122102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012211112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10699822 + ... + 10886257.

It is an arithmetic number, because the mean of its divisors is an integer number (190648258560).

Almost surely, 2^{2012211112222} is an apocalyptic number.

2012211112222 is a deficient number, since it is larger than the sum of its proper divisors (1038161024738).

2012211112222 is a wasteful number, since it uses less digits than its factorization.

2012211112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21586575.

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

Adding to 2012211112222 its reverse (2222111122102), we get a palindrome (4234322234324).

The spelling of 2012211112222 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred twenty-two".