133333333211 has 4 divisors (see below), whose sum is σ = 143589743472. Its totient is φ = 123076922952.

The previous prime is 133333333187. The next prime is 133333333247. The reversal of 133333333211 is 112333333331.

It is a happy number.

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 133333333211 - 2²⁶ = 133266224347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133333333291) 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, 5128205111 + ... + 5128205136.

It is an arithmetic number, because the mean of its divisors is an integer number (35897435868).

Almost surely, 2^133333333211 is an apocalyptic number.

133333333211 is a deficient number, since it is larger than the sum of its proper divisors (10256410261).

133333333211 is a wasteful number, since it uses less digits than its factorization.

133333333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256410260.

The product of its digits is 13122, while the sum is 29.

Adding to 133333333211 its reverse (112333333331), we get a palindrome (245666666542).

The spelling of 133333333211 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred eleven".