43220424011 has 4 divisors (see below), whose sum is σ = 45762801912. Its totient is φ = 40678046112.

The previous prime is 43220423951. The next prime is 43220424017. The reversal of 43220424011 is 11042402234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43220424011 - 2⁶ = 43220423947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43220424017) 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, 1271188925 + ... + 1271188958.

It is an arithmetic number, because the mean of its divisors is an integer number (11440700478).

Almost surely, 2^43220424011 is an apocalyptic number.

43220424011 is a deficient number, since it is larger than the sum of its proper divisors (2542377901).

43220424011 is a wasteful number, since it uses less digits than its factorization.

43220424011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542377900.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43220424011 its reverse (11042402234), we get a palindrome (54262826245).

The spelling of 43220424011 in words is "forty-three billion, two hundred twenty million, four hundred twenty-four thousand, eleven".