21233132133 has 8 divisors (see below), whose sum is σ = 28367580000. Its totient is φ = 14127052848.

The previous prime is 21233132071. The next prime is 21233132161. The reversal of 21233132133 is 33123133212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21233132133 - 2¹⁷ = 21233001061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233132183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7090398 + ... + 7093391.

It is an arithmetic number, because the mean of its divisors is an integer number (3545947500).

Almost surely, 2^21233132133 is an apocalyptic number.

It is an amenable number.

21233132133 is a deficient number, since it is larger than the sum of its proper divisors (7134447867).

21233132133 is a wasteful number, since it uses less digits than its factorization.

21233132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184291.

The product of its digits is 1944, while the sum is 24.

Adding to 21233132133 its reverse (33123133212), we get a palindrome (54356265345).

The spelling of 21233132133 in words is "twenty-one billion, two hundred thirty-three million, one hundred thirty-two thousand, one hundred thirty-three".