12110111029 has 2 divisors, whose sum is σ = 12110111030. Its totient is φ = 12110111028.

The previous prime is 12110111017. The next prime is 12110111053. The reversal of 12110111029 is 92011101121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11989155025 + 120956004 = 109495^2 + 10998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110111029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110110997 and 12110111015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12110111009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055055514 + 6055055515.

It is an arithmetic number, because the mean of its divisors is an integer number (6055055515).

Almost surely, 2^12110111029 is an apocalyptic number.

It is an amenable number.

12110111029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110111029 is an equidigital number, since it uses as much as digits as its factorization.

12110111029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12110111029 in words is "twelve billion, one hundred ten million, one hundred eleven thousand, twenty-nine".