109223171 has 2 divisors, whose sum is σ = 109223172. Its totient is φ = 109223170.

The previous prime is 109223167. The next prime is 109223197. The reversal of 109223171 is 171322901.

It is an a-pointer prime, because the next prime (109223197) can be obtained adding 109223171 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (171322901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109223171 - 2² = 109223167 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109223171.

It is not a weakly prime, because it can be changed into another prime (109223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54611585 + 54611586.

It is an arithmetic number, because the mean of its divisors is an integer number (54611586).

Almost surely, 2^109223171 is an apocalyptic number.

109223171 is a deficient number, since it is larger than the sum of its proper divisors (1).

109223171 is an equidigital number, since it uses as much as digits as its factorization.

109223171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 109223171 is about 10450.9889962625. The cubic root of 109223171 is about 478.0114067993.

The spelling of 109223171 in words is "one hundred nine million, two hundred twenty-three thousand, one hundred seventy-one".