21230310210300 has 108 divisors (see below), whose sum is σ = 67636133442696. Its totient is φ = 5568605942400.

The previous prime is 21230310210293. The next prime is 21230310210301. The reversal of 21230310210300 is 301201303212.

21230310210300 is a `hidden beast` number, since 2 + 1 + 2 + 30 + 310 + 21 + 0 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230310210301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 193299474 + ... + 193409273.

Almost surely, 2^{21230310210300} is an apocalyptic number.

21230310210300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21230310210300 is an abundant number, since it is smaller than the sum of its proper divisors (46405823232396).

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

21230310210300 is a wasteful number, since it uses less digits than its factorization.

21230310210300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386708828 (or 386708818 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21230310210300 its reverse (301201303212), we get a palindrome (21531511513512).

The spelling of 21230310210300 in words is "twenty-one trillion, two hundred thirty billion, three hundred ten million, two hundred ten thousand, three hundred".