21030033011130 has 192 divisors, whose sum is σ = 64837543575168. Its totient is φ = 4662039559680.

The previous prime is 21030033011111. The next prime is 21030033011153. The reversal of 21030033011130 is 3111033003012.

It is a happy number.

21030033011130 is a `hidden beast` number, since 2 + 1 + 0 + 300 + 330 + 1 + 1 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6258589 + ... + 9012768.

It is an arithmetic number, because the mean of its divisors is an integer number (337695539454).

Almost surely, 2^{21030033011130} is an apocalyptic number.

21030033011130 is an abundant number, since it is smaller than the sum of its proper divisors (43807510564038).

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

21030033011130 is a wasteful number, since it uses less digits than its factorization.

21030033011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15271501 (or 15271498 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 21030033011130 its reverse (3111033003012), we get a palindrome (24141066014142).

The spelling of 21030033011130 in words is "twenty-one trillion, thirty billion, thirty-three million, eleven thousand, one hundred thirty".