133122012113 has 4 divisors (see below), whose sum is σ = 133311915828. Its totient is φ = 132932108400.

The previous prime is 133122012109. The next prime is 133122012161. The reversal of 133122012113 is 311210221331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311210221331 = 37 ⋅8411087063.

It can be written as a sum of positive squares in 2 ways, for example, as 102881845504 + 30240166609 = 320752^2 + 173897^2 .

It is a cyclic number.

It is not a de Polignac number, because 133122012113 - 2² = 133122012109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133122012173) 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, 94950806 + ... + 94952207.

It is an arithmetic number, because the mean of its divisors is an integer number (33327978957).

Almost surely, 2^133122012113 is an apocalyptic number.

It is an amenable number.

133122012113 is a deficient number, since it is larger than the sum of its proper divisors (189903715).

133122012113 is an equidigital number, since it uses as much as digits as its factorization.

133122012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189903714.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133122012113 its reverse (311210221331), we get a palindrome (444332233444).

The spelling of 133122012113 in words is "one hundred thirty-three billion, one hundred twenty-two million, twelve thousand, one hundred thirteen".