21303030112320 has 112 divisors (see below), whose sum is σ = 73785949789248. Its totient is φ = 5164370933760.

The previous prime is 21303030112297. The next prime is 21303030112417. The reversal of 21303030112320 is 2321103030312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008655639 + ... + 1008676758.

Almost surely, 2^{21303030112320} is an apocalyptic number.

21303030112320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303030112320 is an abundant number, since it is smaller than the sum of its proper divisors (52482919676928).

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

21303030112320 is a wasteful number, since it uses less digits than its factorization.

21303030112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017332428 (or 2017332418 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21303030112320 its reverse (2321103030312), we get a palindrome (23624133142632).

The spelling of 21303030112320 in words is "twenty-one trillion, three hundred three billion, thirty million, one hundred twelve thousand, three hundred twenty".