12011223332111 has 2 divisors, whose sum is σ = 12011223332112. Its totient is φ = 12011223332110.

The previous prime is 12011223332093. The next prime is 12011223332249. The reversal of 12011223332111 is 11123332211021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11123332211021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011223332111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011223332411) 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 as a sum of consecutive naturals, namely, 6005611666055 + 6005611666056.

It is an arithmetic number, because the mean of its divisors is an integer number (6005611666056).

Almost surely, 2^{12011223332111} is an apocalyptic number.

12011223332111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011223332111 is an equidigital number, since it uses as much as digits as its factorization.

12011223332111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12011223332111 its reverse (11123332211021), we get a palindrome (23134555543132).

The spelling of 12011223332111 in words is "twelve trillion, eleven billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred eleven".