201065221 has 8 divisors (see below), whose sum is σ = 229875840. Its totient is φ = 172276368.

The previous prime is 201065213. The next prime is 201065231. The reversal of 201065221 is 122560102.

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

It is a cyclic number.

It is not a de Polignac number, because 201065221 - 2³ = 201065213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201065231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28440 + ... + 34798.

It is an arithmetic number, because the mean of its divisors is an integer number (28734480).

Almost surely, 2^201065221 is an apocalyptic number.

It is an amenable number.

201065221 is a deficient number, since it is larger than the sum of its proper divisors (28810619).

201065221 is an equidigital number, since it uses as much as digits as its factorization.

201065221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10883.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 201065221 is about 14179.7468595176. The cubic root of 201065221 is about 585.8399515157.

The spelling of 201065221 in words is "two hundred one million, sixty-five thousand, two hundred twenty-one".