133220112133 has 4 divisors (see below), whose sum is σ = 133220880640. Its totient is φ = 133219343628.

The previous prime is 133220112121. The next prime is 133220112197. The reversal of 133220112133 is 331211022331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133220112133 - 2⁹ = 133220111621 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 (133220112733) 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, 11938 + ... + 516316.

It is an arithmetic number, because the mean of its divisors is an integer number (33305220160).

Almost surely, 2^133220112133 is an apocalyptic number.

It is an amenable number.

133220112133 is a deficient number, since it is larger than the sum of its proper divisors (768507).

133220112133 is an equidigital number, since it uses as much as digits as its factorization.

133220112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768506.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133220112133 its reverse (331211022331), we get a palindrome (464431134464).

The spelling of 133220112133 in words is "one hundred thirty-three billion, two hundred twenty million, one hundred twelve thousand, one hundred thirty-three".