21102301300 has 36 divisors (see below), whose sum is σ = 46045027756. Its totient is φ = 8394278400.

The previous prime is 21102301217. The next prime is 21102301313. The reversal of 21102301300 is 310320112.

It can be written as a sum of positive squares in 6 ways, for example, as 8129546896 + 12972754404 = 90164^2 + 113898^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564837 + ... + 601036.

Almost surely, 2^21102301300 is an apocalyptic number.

21102301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21102301300 is an abundant number, since it is smaller than the sum of its proper divisors (24942726456).

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

21102301300 is a wasteful number, since it uses less digits than its factorization.

21102301300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166068 (or 1166061 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21102301300 its reverse (310320112), we get a palindrome (21412621412).

The spelling of 21102301300 in words is "twenty-one billion, one hundred two million, three hundred one thousand, three hundred".