21100000342300 has 72 divisors (see below), whose sum is σ = 51671850446160. Its totient is φ = 7408150579200.

The previous prime is 21100000342243. The next prime is 21100000342321. The reversal of 21100000342300 is 324300000112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330689109 + ... + 330752908.

It is an arithmetic number, because the mean of its divisors is an integer number (717664589530).

Almost surely, 2^{21100000342300} is an apocalyptic number.

21100000342300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21100000342300 is an abundant number, since it is smaller than the sum of its proper divisors (30571850103860).

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

21100000342300 is a wasteful number, since it uses less digits than its factorization.

21100000342300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661442071 (or 661442064 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21100000342300 its reverse (324300000112), we get a palindrome (21424300342412).

The spelling of 21100000342300 in words is "twenty-one trillion, one hundred billion, three hundred forty-two thousand, three hundred".