43344121111 has 8 divisors (see below), whose sum is σ = 45899888544. Its totient is φ = 40789032960.

The previous prime is 43344121103. The next prime is 43344121123. The reversal of 43344121111 is 11112144334.

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

It is not a de Polignac number, because 43344121111 - 2³ = 43344121103 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 (43344821111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35395 + ... + 296548.

It is an arithmetic number, because the mean of its divisors is an integer number (5737486068).

Almost surely, 2^43344121111 is an apocalyptic number.

43344121111 is a deficient number, since it is larger than the sum of its proper divisors (2555767433).

43344121111 is a wasteful number, since it uses less digits than its factorization.

43344121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339641.

The product of its digits is 1152, while the sum is 25.

Adding to 43344121111 its reverse (11112144334), we get a palindrome (54456265445).

The spelling of 43344121111 in words is "forty-three billion, three hundred forty-four million, one hundred twenty-one thousand, one hundred eleven".