21330110130 has 64 divisors (see below), whose sum is σ = 59699462400. Its totient is φ = 4875451392.

The previous prime is 21330110111. The next prime is 21330110143. The reversal of 21330110130 is 3101103312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026159 + ... + 1046738.

It is an arithmetic number, because the mean of its divisors is an integer number (932804100).

Almost surely, 2^21330110130 is an apocalyptic number.

21330110130 is an abundant number, since it is smaller than the sum of its proper divisors (38369352270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21330110130 is a wasteful number, since it uses less digits than its factorization.

21330110130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072928 (or 2072914 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 21330110130 its reverse (3101103312), we get a palindrome (24431213442).

The spelling of 21330110130 in words is "twenty-one billion, three hundred thirty million, one hundred ten thousand, one hundred thirty".