12110111077 has 2 divisors, whose sum is σ = 12110111078. Its totient is φ = 12110111076.

The previous prime is 12110111059. The next prime is 12110111081. The reversal of 12110111077 is 77011101121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11242572961 + 867538116 = 106031^2 + 29454^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110111077 - 2¹¹ = 12110109029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12110111017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055055538 + 6055055539.

It is an arithmetic number, because the mean of its divisors is an integer number (6055055539).

Almost surely, 2^12110111077 is an apocalyptic number.

It is an amenable number.

12110111077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110111077 is an equidigital number, since it uses as much as digits as its factorization.

12110111077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 22.

Adding to 12110111077 its reverse (77011101121), we get a palindrome (89121212198).

The spelling of 12110111077 in words is "twelve billion, one hundred ten million, one hundred eleven thousand, seventy-seven".