110042209 has 2 divisors, whose sum is σ = 110042210. Its totient is φ = 110042208.

The previous prime is 110042183. The next prime is 110042221. The reversal of 110042209 is 902240011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107329600 + 2712609 = 10360^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 110042209 - 2⁷ = 110042081 is a prime.

It is not a weakly prime, because it can be changed into another prime (110042239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55021104 + 55021105.

It is an arithmetic number, because the mean of its divisors is an integer number (55021105).

Almost surely, 2^110042209 is an apocalyptic number.

It is an amenable number.

110042209 is a deficient number, since it is larger than the sum of its proper divisors (1).

110042209 is an equidigital number, since it uses as much as digits as its factorization.

110042209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 110042209 is about 10490.1005238272. The cubic root of 110042209 is about 479.2032630331.

The spelling of 110042209 in words is "one hundred ten million, forty-two thousand, two hundred nine".