133210221211 has 4 divisors (see below), whose sum is σ = 133227127512. Its totient is φ = 133193314912.

The previous prime is 133210221163. The next prime is 133210221271. The reversal of 133210221211 is 112122012331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133210221211 - 2²¹ = 133208124059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133210221271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8441326 + ... + 8457091.

It is an arithmetic number, because the mean of its divisors is an integer number (33306781878).

Almost surely, 2^133210221211 is an apocalyptic number.

133210221211 is a deficient number, since it is larger than the sum of its proper divisors (16906301).

133210221211 is an equidigital number, since it uses as much as digits as its factorization.

133210221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906300.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 133210221211 its reverse (112122012331), we get a palindrome (245332233542).

The spelling of 133210221211 in words is "one hundred thirty-three billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".