12011103311 has 2 divisors, whose sum is σ = 12011103312. Its totient is φ = 12011103310.

The previous prime is 12011103301. The next prime is 12011103317. The reversal of 12011103311 is 11330111021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11330111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011103311 - 2¹⁰ = 12011102287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011103317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005551655 + 6005551656.

It is an arithmetic number, because the mean of its divisors is an integer number (6005551656).

Almost surely, 2^12011103311 is an apocalyptic number.

12011103311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011103311 is an equidigital number, since it uses as much as digits as its factorization.

12011103311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12011103311 its reverse (11330111021), we get a palindrome (23341214332).

The spelling of 12011103311 in words is "twelve billion, eleven million, one hundred three thousand, three hundred eleven".