108227869109 has 2 divisors, whose sum is σ = 108227869110. Its totient is φ = 108227869108.

The previous prime is 108227869067. The next prime is 108227869147. The reversal of 108227869109 is 901968722801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93887088100 + 14340781009 = 306410^2 + 119753^2 .

It is an emirp because it is prime and its reverse (901968722801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108227869109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108227869909) 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, 54113934554 + 54113934555.

It is an arithmetic number, because the mean of its divisors is an integer number (54113934555).

Almost surely, 2^108227869109 is an apocalyptic number.

It is an amenable number.

108227869109 is a deficient number, since it is larger than the sum of its proper divisors (1).

108227869109 is an equidigital number, since it uses as much as digits as its factorization.

108227869109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 108227869109 in words is "one hundred eight billion, two hundred twenty-seven million, eight hundred sixty-nine thousand, one hundred nine".