21032332133 has 8 divisors (see below), whose sum is σ = 21611919360. Its totient is φ = 20453331600.

The previous prime is 21032332127. The next prime is 21032332141. The reversal of 21032332133 is 33123323012.

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

It is a cyclic number.

It is not a de Polignac number, because 21032332133 - 2⁸ = 21032331877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21032332099 and 21032332108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032332183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73493 + ... + 217866.

It is an arithmetic number, because the mean of its divisors is an integer number (2701489920).

Almost surely, 2^21032332133 is an apocalyptic number.

It is an amenable number.

21032332133 is a deficient number, since it is larger than the sum of its proper divisors (579587227).

21032332133 is a wasteful number, since it uses less digits than its factorization.

21032332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293347.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21032332133 its reverse (33123323012), we get a palindrome (54155655145).

The spelling of 21032332133 in words is "twenty-one billion, thirty-two million, three hundred thirty-two thousand, one hundred thirty-three".