133151211211 has 4 divisors (see below), whose sum is σ = 133152418000. Its totient is φ = 133150004424.

The previous prime is 133151211209. The next prime is 133151211217. The reversal of 133151211211 is 112112151331.

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 133151211211 - 2¹ = 133151211209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133151211217) 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, 419136 + ... + 664813.

It is an arithmetic number, because the mean of its divisors is an integer number (33288104500).

Almost surely, 2^133151211211 is an apocalyptic number.

133151211211 is a deficient number, since it is larger than the sum of its proper divisors (1206789).

133151211211 is a wasteful number, since it uses less digits than its factorization.

133151211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206788.

The product of its digits is 180, while the sum is 22.

Adding to 133151211211 its reverse (112112151331), we get a palindrome (245263362542).

The spelling of 133151211211 in words is "one hundred thirty-three billion, one hundred fifty-one million, two hundred eleven thousand, two hundred eleven".