110105221 has 8 divisors (see below), whose sum is σ = 112398840. Its totient is φ = 107819712.

The previous prime is 110105201. The next prime is 110105231. The reversal of 110105221 is 122501011.

It can be written as a sum of positive squares in 4 ways, for example, as 20802721 + 89302500 = 4561^2 + 9450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110105221 - 2¹⁷ = 109974149 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 (110105201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30795 + ... + 34183.

It is an arithmetic number, because the mean of its divisors is an integer number (14049855).

Almost surely, 2^110105221 is an apocalyptic number.

It is an amenable number.

110105221 is a deficient number, since it is larger than the sum of its proper divisors (2293619).

110105221 is an equidigital number, since it uses as much as digits as its factorization.

110105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 110105221 is about 10493.1034970594. The cubic root of 110105221 is about 479.2947121677.

Adding to 110105221 its reverse (122501011), we get a palindrome (232606232).

The spelling of 110105221 in words is "one hundred ten million, one hundred five thousand, two hundred twenty-one".