21303010030120 has 64 divisors (see below), whose sum is σ = 58992950862720. Its totient is φ = 6742051524864.

The previous prime is 21303010030079. The next prime is 21303010030129. The reversal of 21303010030120 is 2103001030312.

It is a junction number, because it is equal to n+sod(n) for n = 21303010030094 and 21303010030103.

It is not an unprimeable number, because it can be changed into a prime (21303010030129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2926234002 + ... + 2926241281.

It is an arithmetic number, because the mean of its divisors is an integer number (921764857230).

Almost surely, 2^{21303010030120} is an apocalyptic number.

21303010030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303010030120 is an abundant number, since it is smaller than the sum of its proper divisors (37689940832600).

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

21303010030120 is a wasteful number, since it uses less digits than its factorization.

21303010030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852475314 (or 5852475310 counting only the distinct ones).

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

Adding to 21303010030120 its reverse (2103001030312), we get a palindrome (23406011060432).

The spelling of 21303010030120 in words is "twenty-one trillion, three hundred three billion, ten million, thirty thousand, one hundred twenty".