12022321111 has 2 divisors, whose sum is σ = 12022321112. Its totient is φ = 12022321110.

The previous prime is 12022321097. The next prime is 12022321121. The reversal of 12022321111 is 11112322021.

It is a strong prime.

It is an emirp because it is prime and its reverse (11112322021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022321111 - 2⁹ = 12022320599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022321121) 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 as a sum of consecutive naturals, namely, 6011160555 + 6011160556.

It is an arithmetic number, because the mean of its divisors is an integer number (6011160556).

Almost surely, 2^12022321111 is an apocalyptic number.

12022321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022321111 is an equidigital number, since it uses as much as digits as its factorization.

12022321111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12022321111 its reverse (11112322021), we get a palindrome (23134643132).

The spelling of 12022321111 in words is "twelve billion, twenty-two million, three hundred twenty-one thousand, one hundred eleven".