2012222211211 has 24 divisors (see below), whose sum is σ = 2171697455040. Its totient is φ = 1859265802800.

The previous prime is 2012222211199. The next prime is 2012222211247. The reversal of 2012222211211 is 1121122222102.

It is not a de Polignac number, because 2012222211211 - 2³³ = 2003632276619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012222211271) 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 23 ways as a sum of consecutive naturals, for example, 24234076 + ... + 24316966.

It is an arithmetic number, because the mean of its divisors is an integer number (90487393960).

Almost surely, 2^{2012222211211} is an apocalyptic number.

2012222211211 is a deficient number, since it is larger than the sum of its proper divisors (159475243829).

2012222211211 is an equidigital number, since it uses as much as digits as its factorization.

2012222211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83687 (or 83644 counting only the distinct ones).

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

Adding to 2012222211211 its reverse (1121122222102), we get a palindrome (3133344433313).

The spelling of 2012222211211 in words is "two trillion, twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".