12411331111 has 2 divisors, whose sum is σ = 12411331112. Its totient is φ = 12411331110.

The previous prime is 12411331109. The next prime is 12411331123. The reversal of 12411331111 is 11113311421.

It is a weak prime.

It is an emirp because it is prime and its reverse (11113311421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12411331111 - 2¹ = 12411331109 is a prime.

It is a super-2 number, since 2×12411331111² (a number of 21 digits) contains 22 as substring.

Together with 12411331109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12411331211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6205665555 + 6205665556.

It is an arithmetic number, because the mean of its divisors is an integer number (6205665556).

Almost surely, 2^12411331111 is an apocalyptic number.

12411331111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12411331111 is an equidigital number, since it uses as much as digits as its factorization.

12411331111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 19.

Adding to 12411331111 its reverse (11113311421), we get a palindrome (23524642532).

The spelling of 12411331111 in words is "twelve billion, four hundred eleven million, three hundred thirty-one thousand, one hundred eleven".