2011223223111 has 16 divisors (see below), whose sum is σ = 2700951208704. Its totient is φ = 1331174780544.

The previous prime is 2011223223091. The next prime is 2011223223193. The reversal of 2011223223111 is 1113223221102.

It is not a de Polignac number, because 2011223223111 - 2¹⁰ = 2011223222087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011223233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012770 + ... + 2841423.

It is an arithmetic number, because the mean of its divisors is an integer number (168809450544).

Almost surely, 2^{2011223223111} is an apocalyptic number.

2011223223111 is a deficient number, since it is larger than the sum of its proper divisors (689727985593).

2011223223111 is a wasteful number, since it uses less digits than its factorization.

2011223223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855190.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2011223223111 its reverse (1113223221102), we get a palindrome (3124446444213).

The spelling of 2011223223111 in words is "two trillion, eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, one hundred eleven".