12111130311 has 16 divisors (see below), whose sum is σ = 18577279488. Its totient is φ = 6874812000.

The previous prime is 12111130289. The next prime is 12111130349. The reversal of 12111130311 is 11303111121.

It is not a de Polignac number, because 12111130311 - 2⁷ = 12111130183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111130391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906500 + ... + 1912841.

It is an arithmetic number, because the mean of its divisors is an integer number (1161079968).

Almost surely, 2^12111130311 is an apocalyptic number.

12111130311 is a deficient number, since it is larger than the sum of its proper divisors (6466149177).

12111130311 is a wasteful number, since it uses less digits than its factorization.

12111130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819502.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12111130311 its reverse (11303111121), we get a palindrome (23414241432).

The spelling of 12111130311 in words is "twelve billion, one hundred eleven million, one hundred thirty thousand, three hundred eleven".