110443121 has 4 divisors (see below), whose sum is σ = 111184500. Its totient is φ = 109701744.

The previous prime is 110443013. The next prime is 110443139. The reversal of 110443121 is 121344011.

It is a happy number.

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 4579600 + 105863521 = 2140^2 + 10289^2 .

It is a cyclic number.

It is not a de Polignac number, because 110443121 - 2¹⁸ = 110180977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110443121.

It is not an unprimeable number, because it can be changed into a prime (110443141) 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, 370466 + ... + 370763.

It is an arithmetic number, because the mean of its divisors is an integer number (27796125).

Almost surely, 2^110443121 is an apocalyptic number.

It is an amenable number.

110443121 is a deficient number, since it is larger than the sum of its proper divisors (741379).

110443121 is an equidigital number, since it uses as much as digits as its factorization.

110443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741378.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 110443121 is about 10509.1922144378. The cubic root of 110443121 is about 479.7845112023.

Adding to 110443121 its reverse (121344011), we get a palindrome (231787132).

The spelling of 110443121 in words is "one hundred ten million, four hundred forty-three thousand, one hundred twenty-one".