43221102401 has 4 divisors (see below), whose sum is σ = 43459893204. Its totient is φ = 42982311600.

The previous prime is 43221102347. The next prime is 43221102433. The reversal of 43221102401 is 10420112234.

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 2303904001 + 40917198400 = 47999^2 + 202280^2 .

It is a cyclic number.

It is not a de Polignac number, because 43221102401 - 2¹⁰ = 43221101377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43221102601) 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, 119395130 + ... + 119395491.

It is an arithmetic number, because the mean of its divisors is an integer number (10864973301).

Almost surely, 2^43221102401 is an apocalyptic number.

It is an amenable number.

43221102401 is a deficient number, since it is larger than the sum of its proper divisors (238790803).

43221102401 is a wasteful number, since it uses less digits than its factorization.

43221102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238790802.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 43221102401 its reverse (10420112234), we get a palindrome (53641214635).

The spelling of 43221102401 in words is "forty-three billion, two hundred twenty-one million, one hundred two thousand, four hundred one".