21103022320300 has 72 divisors (see below), whose sum is σ = 46782689716224. Its totient is φ = 8258994258240.

The previous prime is 21103022320277. The next prime is 21103022320321. The reversal of 21103022320300 is 302322030112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14176027 + ... + 15593773.

It is an arithmetic number, because the mean of its divisors is an integer number (649759579392).

Almost surely, 2^{21103022320300} is an apocalyptic number.

21103022320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21103022320300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23391344858112).

21103022320300 is an abundant number, since it is smaller than the sum of its proper divisors (25679667395924).

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

21103022320300 is a wasteful number, since it uses less digits than its factorization.

21103022320300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420975 (or 1420968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21103022320300 its reverse (302322030112), we get a palindrome (21405344350412).

The spelling of 21103022320300 in words is "twenty-one trillion, one hundred three billion, twenty-two million, three hundred twenty thousand, three hundred".