43441011121 has 4 divisors (see below), whose sum is σ = 43871120244. Its totient is φ = 43010902000.

The previous prime is 43441011113. The next prime is 43441011179. The reversal of 43441011121 is 12111014434.

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 30368290225 + 13072720896 = 174265^2 + 114336^2 .

It is a cyclic number.

It is not a de Polignac number, because 43441011121 - 2³ = 43441011113 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43441011092 and 43441011101.

It is not an unprimeable number, because it can be changed into a prime (43441011181) 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 3 ways as a sum of consecutive naturals, for example, 215054410 + ... + 215054611.

It is an arithmetic number, because the mean of its divisors is an integer number (10967780061).

Almost surely, 2^43441011121 is an apocalyptic number.

It is an amenable number.

43441011121 is a deficient number, since it is larger than the sum of its proper divisors (430109123).

43441011121 is a wasteful number, since it uses less digits than its factorization.

43441011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430109122.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 43441011121 its reverse (12111014434), we get a palindrome (55552025555).

The spelling of 43441011121 in words is "forty-three billion, four hundred forty-one million, eleven thousand, one hundred twenty-one".