21301330120 has 32 divisors (see below), whose sum is σ = 54774849600. Its totient is φ = 7303313088.

The previous prime is 21301330097. The next prime is 21301330163. The reversal of 21301330120 is 2103310312.

It is a junction number, because it is equal to n+sod(n) for n = 21301330094 and 21301330103.

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, 38037810 + ... + 38038369.

It is an arithmetic number, because the mean of its divisors is an integer number (1711714050).

Almost surely, 2^21301330120 is an apocalyptic number.

21301330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301330120 is an abundant number, since it is smaller than the sum of its proper divisors (33473519480).

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

21301330120 is a wasteful number, since it uses less digits than its factorization.

21301330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76076197 (or 76076193 counting only the distinct ones).

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

Adding to 21301330120 its reverse (2103310312), we get a palindrome (23404640432).

The spelling of 21301330120 in words is "twenty-one billion, three hundred one million, three hundred thirty thousand, one hundred twenty".