109000221 has 16 divisors (see below), whose sum is σ = 158960448. Its totient is φ = 65888000.

The previous prime is 109000189. The next prime is 109000231. The reversal of 109000221 is 122000901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109000221 - 2⁵ = 109000189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109000231) 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 in 15 ways as a sum of consecutive naturals, for example, 9115 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (9935028).

Almost surely, 2^109000221 is an apocalyptic number.

109000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109000221 is a deficient number, since it is larger than the sum of its proper divisors (49960227).

109000221 is a wasteful number, since it uses less digits than its factorization.

109000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 109000221 is about 10440.3170928856. The cubic root of 109000221 is about 477.6859409428.

The spelling of 109000221 in words is "one hundred nine million, two hundred twenty-one", and thus it is an aban number.