21412211330 has 48 divisors (see below), whose sum is σ = 40331019960. Its totient is φ = 8184278784.

The previous prime is 21412211321. The next prime is 21412211333. The reversal of 21412211330 is 3311221412.

It can be written as a sum of positive squares in 4 ways, for example, as 14809186249 + 6603025081 = 121693^2 + 81259^2 .

It is not an unprimeable number, because it can be changed into a prime (21412211333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9272216 + ... + 9274524.

Almost surely, 2^21412211330 is an apocalyptic number.

21412211330 is a deficient number, since it is larger than the sum of its proper divisors (18918808630).

21412211330 is a wasteful number, since it uses less digits than its factorization.

21412211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21412211330 its reverse (3311221412), we get a palindrome (24723432742).

The spelling of 21412211330 in words is "twenty-one billion, four hundred twelve million, two hundred eleven thousand, three hundred thirty".