12110112011 has 2 divisors, whose sum is σ = 12110112012. Its totient is φ = 12110112010.

The previous prime is 12110111977. The next prime is 12110112013. The reversal of 12110112011 is 11021101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12110112011 - 2¹⁸ = 12109849867 is a prime.

Together with 12110112013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110111983 and 12110112001.

It is not a weakly prime, because it can be changed into another prime (12110112013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055056005 + 6055056006.

It is an arithmetic number, because the mean of its divisors is an integer number (6055056006).

Almost surely, 2^12110112011 is an apocalyptic number.

12110112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110112011 is an equidigital number, since it uses as much as digits as its factorization.

12110112011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12110112011 its reverse (11021101121), we get a palindrome (23131213132).

The spelling of 12110112011 in words is "twelve billion, one hundred ten million, one hundred twelve thousand, eleven".