12111110002011 has 16 divisors (see below), whose sum is σ = 16568708693504. Its totient is φ = 7864815589344.

The previous prime is 12111110001989. The next prime is 12111110002049. The reversal of 12111110002011 is 11020001111121.

It is not a de Polignac number, because 12111110002011 - 2²² = 12111105807707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111110002111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127860796 + ... + 127955481.

It is an arithmetic number, because the mean of its divisors is an integer number (1035544293344).

Almost surely, 2^{12111110002011} is an apocalyptic number.

12111110002011 is a deficient number, since it is larger than the sum of its proper divisors (4457598691493).

12111110002011 is a wasteful number, since it uses less digits than its factorization.

12111110002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255816690.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12111110002011 its reverse (11020001111121), we get a palindrome (23131111113132).

The spelling of 12111110002011 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, two thousand, eleven".