133303322011 has 4 divisors (see below), whose sum is σ = 141144693912. Its totient is φ = 125461950112.

The previous prime is 133303321997. The next prime is 133303322029. The reversal of 133303322011 is 110223303331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133303322011 - 2³³ = 124713387419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133303322071) 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, 3920685925 + ... + 3920685958.

It is an arithmetic number, because the mean of its divisors is an integer number (35286173478).

Almost surely, 2^133303322011 is an apocalyptic number.

133303322011 is a deficient number, since it is larger than the sum of its proper divisors (7841371901).

133303322011 is an equidigital number, since it uses as much as digits as its factorization.

133303322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841371900.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133303322011 its reverse (110223303331), we get a palindrome (243526625342).

The spelling of 133303322011 in words is "one hundred thirty-three billion, three hundred three million, three hundred twenty-two thousand, eleven".