133330211 has 16 divisors (see below), whose sum is σ = 156549120. Its totient is φ = 111183840.

The previous prime is 133330189. The next prime is 133330247. The reversal of 133330211 is 112033331.

It is a cyclic number.

It is not a de Polignac number, because 133330211 - 2¹⁰ = 133329187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133330211.

It is not an unprimeable number, because it can be changed into a prime (133330271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58430 + ... + 60668.

It is an arithmetic number, because the mean of its divisors is an integer number (9784320).

Almost surely, 2^133330211 is an apocalyptic number.

133330211 is a deficient number, since it is larger than the sum of its proper divisors (23218909).

133330211 is a wasteful number, since it uses less digits than its factorization.

133330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133330211 is about 11546.8701820017. The cubic root of 133330211 is about 510.8689671088.

Adding to 133330211 its reverse (112033331), we get a palindrome (245363542).

The spelling of 133330211 in words is "one hundred thirty-three million, three hundred thirty thousand, two hundred eleven".