12111110027 has 2 divisors, whose sum is σ = 12111110028. Its totient is φ = 12111110026.

The previous prime is 12111109897. The next prime is 12111110057. The reversal of 12111110027 is 72001111121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111110027 - 2¹² = 12111105931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12111109987 and 12111110014.

It is not a weakly prime, because it can be changed into another prime (12111110057) 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 as a sum of consecutive naturals, namely, 6055555013 + 6055555014.

It is an arithmetic number, because the mean of its divisors is an integer number (6055555014).

Almost surely, 2^12111110027 is an apocalyptic number.

12111110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111110027 is an equidigital number, since it uses as much as digits as its factorization.

12111110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 12111110027 its reverse (72001111121), we get a palindrome (84112221148).

The spelling of 12111110027 in words is "twelve billion, one hundred eleven million, one hundred ten thousand, twenty-seven".