3440543221121 has 4 divisors (see below), whose sum is σ = 3440637645744. Its totient is φ = 3440448796500.

The previous prime is 3440543221061. The next prime is 3440543221133. The reversal of 3440543221121 is 1211223450443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3440543221121 - 2¹⁰ = 3440543220097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440543223121) 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, 47157635 + ... + 47230536.

It is an arithmetic number, because the mean of its divisors is an integer number (860159411436).

Almost surely, 2^{3440543221121} is an apocalyptic number.

It is an amenable number.

3440543221121 is a deficient number, since it is larger than the sum of its proper divisors (94424623).

3440543221121 is an equidigital number, since it uses as much as digits as its factorization.

3440543221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94424622.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 3440543221121 its reverse (1211223450443), we get a palindrome (4651766671564).

The spelling of 3440543221121 in words is "three trillion, four hundred forty billion, five hundred forty-three million, two hundred twenty-one thousand, one hundred twenty-one".