4200043224421 has 4 divisors (see below), whose sum is σ = 4581865335744. Its totient is φ = 3818221113100.

The previous prime is 4200043224409. The next prime is 4200043224437. The reversal of 4200043224421 is 1244223400024.

4200043224421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4200043224421 - 2³⁹ = 3650287410533 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 4200043224421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200043222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190911055645 + ... + 190911055666.

It is an arithmetic number, because the mean of its divisors is an integer number (1145466333936).

Almost surely, 2^{4200043224421} is an apocalyptic number.

It is an amenable number.

4200043224421 is a deficient number, since it is larger than the sum of its proper divisors (381822111323).

4200043224421 is a wasteful number, since it uses less digits than its factorization.

4200043224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381822111322.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4200043224421 its reverse (1244223400024), we get a palindrome (5444266624445).

The spelling of 4200043224421 in words is "four trillion, two hundred billion, forty-three million, two hundred twenty-four thousand, four hundred twenty-one".