201044221 has 8 divisors (see below), whose sum is σ = 235108544. Its totient is φ = 168315840.

The previous prime is 201044209. The next prime is 201044231. The reversal of 201044221 is 122440102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201044221 - 2⁵ = 201044189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201044195 and 201044204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333660 + ... + 334261.

It is an arithmetic number, because the mean of its divisors is an integer number (29388568).

Almost surely, 2^201044221 is an apocalyptic number.

It is an amenable number.

201044221 is a deficient number, since it is larger than the sum of its proper divisors (34064323).

201044221 is an equidigital number, since it uses as much as digits as its factorization.

201044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667971.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201044221 is about 14179.0063474138. The cubic root of 201044221 is about 585.8195550373.

Adding to 201044221 its reverse (122440102), we get a palindrome (323484323).

The spelling of 201044221 in words is "two hundred one million, forty-four thousand, two hundred twenty-one".