12110211011 has 2 divisors, whose sum is σ = 12110211012. Its totient is φ = 12110211010.

The previous prime is 12110210947. The next prime is 12110211019. The reversal of 12110211011 is 11011201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12110211011 - 2⁶ = 12110210947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110210983 and 12110211001.

It is not a weakly prime, because it can be changed into another prime (12110211019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055105505 + 6055105506.

It is an arithmetic number, because the mean of its divisors is an integer number (6055105506).

Almost surely, 2^12110211011 is an apocalyptic number.

12110211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110211011 is an equidigital number, since it uses as much as digits as its factorization.

12110211011 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 12110211011 its reverse (11011201121), we get a palindrome (23121412132).

The spelling of 12110211011 in words is "twelve billion, one hundred ten million, two hundred eleven thousand, eleven".