133211211311 has 4 divisors (see below), whose sum is σ = 133375467624. Its totient is φ = 133046955000.

The previous prime is 133211211281. The next prime is 133211211349. The reversal of 133211211311 is 113112112331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113112112331 = 9433 ⋅11991107.

It is a cyclic number.

It is not a de Polignac number, because 133211211311 - 2¹⁰ = 133211210287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211211811) 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, 82126940 + ... + 82128561.

It is an arithmetic number, because the mean of its divisors is an integer number (33343866906).

Almost surely, 2^133211211311 is an apocalyptic number.

133211211311 is a deficient number, since it is larger than the sum of its proper divisors (164256313).

133211211311 is an equidigital number, since it uses as much as digits as its factorization.

133211211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164256312.

The product of its digits is 108, while the sum is 20.

Adding to 133211211311 its reverse (113112112331), we get a palindrome (246323323642).

The spelling of 133211211311 in words is "one hundred thirty-three billion, two hundred eleven million, two hundred eleven thousand, three hundred eleven".