201014221 has 2 divisors, whose sum is σ = 201014222. Its totient is φ = 201014220.

The previous prime is 201014197. The next prime is 201014257. The reversal of 201014221 is 122410102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185913225 + 15100996 = 13635^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 201014221 - 2⁵ = 201014189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100507110 + 100507111.

It is an arithmetic number, because the mean of its divisors is an integer number (100507111).

Almost surely, 2^201014221 is an apocalyptic number.

It is an amenable number.

201014221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201014221 is an equidigital number, since it uses as much as digits as its factorization.

201014221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201014221 is about 14177.9484058872. The cubic root of 201014221 is about 585.7904147470.

Adding to 201014221 its reverse (122410102), we get a palindrome (323424323).

The spelling of 201014221 in words is "two hundred one million, fourteen thousand, two hundred twenty-one".