110043221 has 4 divisors (see below), whose sum is σ = 112727244. Its totient is φ = 107359200.

The previous prime is 110043191. The next prime is 110043223. The reversal of 110043221 is 122340011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4056196 + 105987025 = 2014^2 + 10295^2 .

It is a cyclic number.

It is not a de Polignac number, because 110043221 - 2¹⁴ = 110026837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110043196 and 110043205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110043223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341950 + ... + 1342031.

It is an arithmetic number, because the mean of its divisors is an integer number (28181811).

Almost surely, 2^110043221 is an apocalyptic number.

It is an amenable number.

110043221 is a deficient number, since it is larger than the sum of its proper divisors (2684023).

110043221 is an equidigital number, since it uses as much as digits as its factorization.

110043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684022.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 110043221 is about 10490.1487596697. The cubic root of 110043221 is about 479.2047320216.

Adding to 110043221 its reverse (122340011), we get a palindrome (232383232).

The spelling of 110043221 in words is "one hundred ten million, forty-three thousand, two hundred twenty-one".