12100201109 has 2 divisors, whose sum is σ = 12100201110. Its totient is φ = 12100201108.

The previous prime is 12100201097. The next prime is 12100201111. The reversal of 12100201109 is 90110200121.

12100201109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9899653009 + 2200548100 = 99497^2 + 46910^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100201109 - 2¹² = 12100197013 is a prime.

Together with 12100201111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100201159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050100554 + 6050100555.

It is an arithmetic number, because the mean of its divisors is an integer number (6050100555).

Almost surely, 2^12100201109 is an apocalyptic number.

It is an amenable number.

12100201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100201109 is an equidigital number, since it uses as much as digits as its factorization.

12100201109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 12100201109 in words is "twelve billion, one hundred million, two hundred one thousand, one hundred nine".