133312233211 has 4 divisors (see below), whose sum is σ = 137909206800. Its totient is φ = 128715259624.

The previous prime is 133312233193. The next prime is 133312233227. The reversal of 133312233211 is 112332213331.

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 133312233211 - 2²¹ = 133310136059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133312233011) 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, 2298486751 + ... + 2298486808.

It is an arithmetic number, because the mean of its divisors is an integer number (34477301700).

Almost surely, 2^133312233211 is an apocalyptic number.

133312233211 is a deficient number, since it is larger than the sum of its proper divisors (4596973589).

133312233211 is an equidigital number, since it uses as much as digits as its factorization.

133312233211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596973588.

The product of its digits is 1944, while the sum is 25.

Adding to 133312233211 its reverse (112332213331), we get a palindrome (245644446542).

The spelling of 133312233211 in words is "one hundred thirty-three billion, three hundred twelve million, two hundred thirty-three thousand, two hundred eleven".