21113000330 has 16 divisors (see below), whose sum is σ = 38013713640. Its totient is φ = 8442908352.

The previous prime is 21113000323. The next prime is 21113000357. The reversal of 21113000330 is 3300031112.

It can be written as a sum of positive squares in 4 ways, for example, as 10960624249 + 10152376081 = 104693^2 + 100759^2 .

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, 247529 + ... + 321708.

Almost surely, 2^21113000330 is an apocalyptic number.

21113000330 is a deficient number, since it is larger than the sum of its proper divisors (16900713310).

21113000330 is a wasteful number, since it uses less digits than its factorization.

21113000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572953.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21113000330 its reverse (3300031112), we get a palindrome (24413031442).

The spelling of 21113000330 in words is "twenty-one billion, one hundred thirteen million, three hundred thirty", and thus it is an aban number.