43221000203 has 12 divisors (see below), whose sum is σ = 45584755392. Its totient is φ = 40936778160.

The previous prime is 43221000131. The next prime is 43221000227. The reversal of 43221000203 is 30200012234.

It is not a de Polignac number, because 43221000203 - 2¹⁰ = 43220999179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43221000283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247100 + ... + 384057.

It is an arithmetic number, because the mean of its divisors is an integer number (3798729616).

Almost surely, 2^43221000203 is an apocalyptic number.

43221000203 is a deficient number, since it is larger than the sum of its proper divisors (2363755189).

43221000203 is an equidigital number, since it uses as much as digits as its factorization.

43221000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631282 (or 631235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 43221000203 its reverse (30200012234), we get a palindrome (73421012437).

The spelling of 43221000203 in words is "forty-three billion, two hundred twenty-one million, two hundred three", and thus it is an aban number.