21110003002330 has 96 divisors (see below), whose sum is σ = 44720144174160. Its totient is φ = 7143635558400.

The previous prime is 21110003002327. The next prime is 21110003002391. The reversal of 21110003002330 is 3320030001112.

It can be written as a sum of positive squares in 8 ways, for example, as 12342665583369 + 8767337418961 = 3513213^2 + 2960969^2 .

It is a super-2 number, since 2×21110003002330² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3934731 + ... + 7596190.

Almost surely, 2^{21110003002330} is an apocalyptic number.

21110003002330 is an abundant number, since it is smaller than the sum of its proper divisors (23610141171830).

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

21110003002330 is a wasteful number, since it uses less digits than its factorization.

21110003002330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531056 (or 11531045 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21110003002330 its reverse (3320030001112), we get a palindrome (24430033003442).

The spelling of 21110003002330 in words is "twenty-one trillion, one hundred ten billion, three million, two thousand, three hundred thirty".