21132232120333 has 16 divisors (see below), whose sum is σ = 21555140428800. Its totient is φ = 20710226796480.

The previous prime is 21132232120331. The next prime is 21132232120429. The reversal of 21132232120333 is 33302123223112.

It is a happy number.

It is not a de Polignac number, because 21132232120333 - 2¹ = 21132232120331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132232120331) 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 15 ways as a sum of consecutive naturals, for example, 341809498 + ... + 341871316.

It is an arithmetic number, because the mean of its divisors is an integer number (1347196276800).

Almost surely, 2^{21132232120333} is an apocalyptic number.

It is an amenable number.

21132232120333 is a deficient number, since it is larger than the sum of its proper divisors (422908308467).

21132232120333 is a wasteful number, since it uses less digits than its factorization.

21132232120333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69012.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21132232120333 its reverse (33302123223112), we get a palindrome (54434355343445).

The spelling of 21132232120333 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-two million, one hundred twenty thousand, three hundred thirty-three".