21113234332 has 24 divisors (see below), whose sum is σ = 37037240240. Its totient is φ = 10531192320.

The previous prime is 21113234323. The next prime is 21113234357. The reversal of 21113234332 is 23343231112.

It is a junction number, because it is equal to n+sod(n) for n = 21113234297 and 21113234306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6660844 + ... + 6664012.

Almost surely, 2^21113234332 is an apocalyptic number.

It is an amenable number.

21113234332 is a deficient number, since it is larger than the sum of its proper divisors (15924005908).

21113234332 is a wasteful number, since it uses less digits than its factorization.

21113234332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661 (or 6659 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 21113234332 its reverse (23343231112), we get a palindrome (44456465444).

The spelling of 21113234332 in words is "twenty-one billion, one hundred thirteen million, two hundred thirty-four thousand, three hundred thirty-two".