21033314332 has 6 divisors (see below), whose sum is σ = 36808300088. Its totient is φ = 10516657164.

The previous prime is 21033314297. The next prime is 21033314333. The reversal of 21033314332 is 23341333012.

It is a junction number, because it is equal to n+sod(n) for n = 21033314297 and 21033314306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033314333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629164288 + ... + 2629164295.

Almost surely, 2^21033314332 is an apocalyptic number.

It is an amenable number.

21033314332 is a deficient number, since it is larger than the sum of its proper divisors (15774985756).

21033314332 is a wasteful number, since it uses less digits than its factorization.

21033314332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258328587 (or 5258328585 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21033314332 its reverse (23341333012), we get a palindrome (44374647344).

The spelling of 21033314332 in words is "twenty-one billion, thirty-three million, three hundred fourteen thousand, three hundred thirty-two".