21302110331130 has 64 divisors (see below), whose sum is σ = 51184457394048. Its totient is φ = 5673965721600.

The previous prime is 21302110331077. The next prime is 21302110331221. The reversal of 21302110331130 is 3113301120312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21302110331097 and 21302110331106.

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 31 ways as a sum of consecutive naturals, for example, 166879330 + ... + 167006930.

It is an arithmetic number, because the mean of its divisors is an integer number (799757146782).

Almost surely, 2^{21302110331130} is an apocalyptic number.

21302110331130 is an abundant number, since it is smaller than the sum of its proper divisors (29882347062918).

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

21302110331130 is a wasteful number, since it uses less digits than its factorization.

21302110331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134031.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21302110331130 its reverse (3113301120312), we get a palindrome (24415411451442).

The spelling of 21302110331130 in words is "twenty-one trillion, three hundred two billion, one hundred ten million, three hundred thirty-one thousand, one hundred thirty".