12111103313011 has 4 divisors (see below), whose sum is σ = 12368786362272. Its totient is φ = 11853420263752.

The previous prime is 12111103312909. The next prime is 12111103313027. The reversal of 12111103313011 is 11031330111121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12111103313011 - 2¹³ = 12111103304819 is a prime.

It is a super-2 number, since 2×12111103313011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111103313011.

It is not an unprimeable number, because it can be changed into a prime (12111103313081) 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 in 3 ways as a sum of consecutive naturals, for example, 128841524560 + ... + 128841524653.

It is an arithmetic number, because the mean of its divisors is an integer number (3092196590568).

Almost surely, 2^{12111103313011} is an apocalyptic number.

12111103313011 is a deficient number, since it is larger than the sum of its proper divisors (257683049261).

12111103313011 is an equidigital number, since it uses as much as digits as its factorization.

12111103313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257683049260.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 12111103313011 its reverse (11031330111121), we get a palindrome (23142433424132).

The spelling of 12111103313011 in words is "twelve trillion, one hundred eleven billion, one hundred three million, three hundred thirteen thousand, eleven".