201334221 has 32 divisors (see below), whose sum is σ = 330752640. Its totient is φ = 120009600.

The previous prime is 201334207. The next prime is 201334253. The reversal of 201334221 is 122433102.

It is not a de Polignac number, because 201334221 - 2⁷ = 201334093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201334194 and 201334203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201334271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12561 + ... + 23673.

It is an arithmetic number, because the mean of its divisors is an integer number (10336020).

Almost surely, 2^201334221 is an apocalyptic number.

It is an amenable number.

201334221 is a deficient number, since it is larger than the sum of its proper divisors (129418419).

201334221 is a wasteful number, since it uses less digits than its factorization.

201334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194 (or 11188 counting only the distinct ones).

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

The square root of 201334221 is about 14189.2290488243. The cubic root of 201334221 is about 586.1010951708.

Adding to 201334221 its reverse (122433102), we get a palindrome (323767323).

The spelling of 201334221 in words is "two hundred one million, three hundred thirty-four thousand, two hundred twenty-one".