2201321043 has 10 divisors (see below), whose sum is σ = 3288393284. Its totient is φ = 1467547308.

The previous prime is 2201321039. The next prime is 2201321051. The reversal of 2201321043 is 3401231022.

It is not a de Polignac number, because 2201321043 - 2² = 2201321039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201321063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13588321 + ... + 13588482.

Almost surely, 2^2201321043 is an apocalyptic number.

2201321043 is a deficient number, since it is larger than the sum of its proper divisors (1087072241).

2201321043 is an equidigital number, since it uses as much as digits as its factorization.

2201321043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176815 (or 27176806 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2201321043 is about 46918.2378505417. The cubic root of 2201321043 is about 1300.8517185851.

Adding to 2201321043 its reverse (3401231022), we get a palindrome (5602552065).

The spelling of 2201321043 in words is "two billion, two hundred one million, three hundred twenty-one thousand, forty-three".