21132322031233 has 16 divisors (see below), whose sum is σ = 24308279573760. Its totient is φ = 17995658705856.

The previous prime is 21132322031221. The next prime is 21132322031351. The reversal of 21132322031233 is 33213022323112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21132322031233 - 2⁵ = 21132322031201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132322035233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7035435 + ... + 9579247.

It is an arithmetic number, because the mean of its divisors is an integer number (1519267473360).

Almost surely, 2^{21132322031233} is an apocalyptic number.

It is an amenable number.

21132322031233 is a deficient number, since it is larger than the sum of its proper divisors (3175957542527).

21132322031233 is a wasteful number, since it uses less digits than its factorization.

21132322031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551536.

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

Adding to 21132322031233 its reverse (33213022323112), we get a palindrome (54345344354345).

The spelling of 21132322031233 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred twenty-two million, thirty-one thousand, two hundred thirty-three".