133321322111 has 4 divisors (see below), whose sum is σ = 133327644792. Its totient is φ = 133314999432.

The previous prime is 133321322089. The next prime is 133321322161. The reversal of 133321322111 is 111223123331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111223123331 = 881 ⋅126246451.

It is a cyclic number.

It is not a de Polignac number, because 133321322111 - 2³⁴ = 116141452927 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 (133321322161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129605 + ... + 3171918.

It is an arithmetic number, because the mean of its divisors is an integer number (33331911198).

Almost surely, 2^133321322111 is an apocalyptic number.

133321322111 is a deficient number, since it is larger than the sum of its proper divisors (6322681).

133321322111 is an equidigital number, since it uses as much as digits as its factorization.

133321322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322680.

The product of its digits is 648, while the sum is 23.

Adding to 133321322111 its reverse (111223123331), we get a palindrome (244544445442).

The spelling of 133321322111 in words is "one hundred thirty-three billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred eleven".