21103000330 has 16 divisors (see below), whose sum is σ = 37987198560. Its totient is φ = 8440800592.

The previous prime is 21103000309. The next prime is 21103000379. The reversal of 21103000330 is 3300030112.

It is a self number, because there is not a number n which added to its sum of digits gives 21103000330.

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, 268701 + ... + 338239.

It is an arithmetic number, because the mean of its divisors is an integer number (2374199910).

Almost surely, 2^21103000330 is an apocalyptic number.

21103000330 is a deficient number, since it is larger than the sum of its proper divisors (16884198230).

21103000330 is a wasteful number, since it uses less digits than its factorization.

21103000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99893.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 21103000330 its reverse (3300030112), we get a palindrome (24403030442).

The spelling of 21103000330 in words is "twenty-one billion, one hundred three million, three hundred thirty", and thus it is an aban number.