110343240021 has 8 divisors (see below), whose sum is σ = 168142080064. Its totient is φ = 63053280000.

The previous prime is 110343239999. The next prime is 110343240037. The reversal of 110343240021 is 120042343011.

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

It is not a de Polignac number, because 110343240021 - 2²⁷ = 110209022293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5254440001 = 110343240021 / (1 + 1 + 0 + 3 + 4 + 3 + 2 + 4 + 0 + 0 + 2 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 110343240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110343040021) 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 7 ways as a sum of consecutive naturals, for example, 2627219980 + ... + 2627220021.

It is an arithmetic number, because the mean of its divisors is an integer number (21017760008).

Almost surely, 2^110343240021 is an apocalyptic number.

It is an amenable number.

110343240021 is a deficient number, since it is larger than the sum of its proper divisors (57798840043).

110343240021 is an equidigital number, since it uses as much as digits as its factorization.

110343240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254440011.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 110343240021 its reverse (120042343011), we get a palindrome (230385583032).

The spelling of 110343240021 in words is "one hundred ten billion, three hundred forty-three million, two hundred forty thousand, twenty-one".