133331223122 has 4 divisors (see below), whose sum is σ = 199996834686. Its totient is φ = 66665611560.

The previous prime is 133331223119. The next prime is 133331223163. The reversal of 133331223122 is 221322133331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221322133331 = 13 ⋅17024779487.

It can be written as a sum of positive squares in only one way, i.e., 110749849681 + 22581373441 = 332791^2 + 150271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133331223091 and 133331223100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33332805779 + ... + 33332805782.

Almost surely, 2^133331223122 is an apocalyptic number.

133331223122 is a deficient number, since it is larger than the sum of its proper divisors (66665611564).

133331223122 is an equidigital number, since it uses as much as digits as its factorization.

133331223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66665611563.

The product of its digits is 3888, while the sum is 26.

Adding to 133331223122 its reverse (221322133331), we get a palindrome (354653356453).

The spelling of 133331223122 in words is "one hundred thirty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".