21332030223331 has 4 divisors (see below), whose sum is σ = 21337003888200. Its totient is φ = 21327056558464.

The previous prime is 21332030223323. The next prime is 21332030223347. The reversal of 21332030223331 is 13332203023312.

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 21332030223331 - 2³ = 21332030223323 is a prime.

It is a super-2 number, since 2×21332030223331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21332030223331.

It is not an unprimeable number, because it can be changed into a prime (21332030223391) 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, 2486826001 + ... + 2486834578.

It is an arithmetic number, because the mean of its divisors is an integer number (5334250972050).

Almost surely, 2^{21332030223331} is an apocalyptic number.

21332030223331 is a deficient number, since it is larger than the sum of its proper divisors (4973664869).

21332030223331 is an equidigital number, since it uses as much as digits as its factorization.

21332030223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973664868.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21332030223331 its reverse (13332203023312), we get a palindrome (34664233246643).

The spelling of 21332030223331 in words is "twenty-one trillion, three hundred thirty-two billion, thirty million, two hundred twenty-three thousand, three hundred thirty-one".