12211325111 has 2 divisors, whose sum is σ = 12211325112. Its totient is φ = 12211325110.

The previous prime is 12211325107. The next prime is 12211325143. The reversal of 12211325111 is 11152311221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211325111 - 2² = 12211325107 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211325611) 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, 6105662555 + 6105662556.

It is an arithmetic number, because the mean of its divisors is an integer number (6105662556).

Almost surely, 2^12211325111 is an apocalyptic number.

12211325111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211325111 is an equidigital number, since it uses as much as digits as its factorization.

12211325111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

Adding to 12211325111 its reverse (11152311221), we get a palindrome (23363636332).

The spelling of 12211325111 in words is "twelve billion, two hundred eleven million, three hundred twenty-five thousand, one hundred eleven".