201044442321 has 48 divisors (see below), whose sum is σ = 307881699840. Its totient is φ = 126216679680.

The previous prime is 201044442301. The next prime is 201044442323. The reversal of 201044442321 is 123244440102.

It is not a de Polignac number, because 201044442321 - 2⁵ = 201044442289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201044442323) 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 47 ways as a sum of consecutive naturals, for example, 3196045 + ... + 3258341.

It is an arithmetic number, because the mean of its divisors is an integer number (6414202080).

Almost surely, 2^201044442321 is an apocalyptic number.

It is an amenable number.

201044442321 is a deficient number, since it is larger than the sum of its proper divisors (106837257519).

201044442321 is a wasteful number, since it uses less digits than its factorization.

201044442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62646 (or 62643 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201044442321 its reverse (123244440102), we get a palindrome (324288882423).

The spelling of 201044442321 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, three hundred twenty-one".