210021300424 has 32 divisors (see below), whose sum is σ = 442519801920. Its totient is φ = 92718432576.

The previous prime is 210021300409. The next prime is 210021300439. The reversal of 210021300424 is 424003120012.

210021300424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210021300409) and next prime (210021300439).

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 7 ways as a sum of consecutive naturals, for example, 43898382 + ... + 43903165.

It is an arithmetic number, because the mean of its divisors is an integer number (13828743810).

Almost surely, 2^210021300424 is an apocalyptic number.

It is an amenable number.

210021300424 is an abundant number, since it is smaller than the sum of its proper divisors (232498501496).

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

210021300424 is a wasteful number, since it uses less digits than its factorization.

210021300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87801589 (or 87801585 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 210021300424 its reverse (424003120012), we get a palindrome (634024420436).

The spelling of 210021300424 in words is "two hundred ten billion, twenty-one million, three hundred thousand, four hundred twenty-four".