109021103 has 4 divisors (see below), whose sum is σ = 109051800. Its totient is φ = 108990408.

The previous prime is 109021093. The next prime is 109021109. The reversal of 109021103 is 301120901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109021103 - 2²⁶ = 41912239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109021109) 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 in 3 ways as a sum of consecutive naturals, for example, 9200 + ... + 17397.

It is an arithmetic number, because the mean of its divisors is an integer number (27262950).

Almost surely, 2^109021103 is an apocalyptic number.

109021103 is a deficient number, since it is larger than the sum of its proper divisors (30697).

109021103 is an equidigital number, since it uses as much as digits as its factorization.

109021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30696.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 109021103 is about 10441.3171104033. The cubic root of 109021103 is about 477.7164436360.

The spelling of 109021103 in words is "one hundred nine million, twenty-one thousand, one hundred three".