210421120304 has 40 divisors (see below), whose sum is σ = 411455449392. Its totient is φ = 104239779840.

The previous prime is 210421120297. The next prime is 210421120313. The reversal of 210421120304 is 403021124012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5047064 + ... + 5088584.

Almost surely, 2^210421120304 is an apocalyptic number.

It is an amenable number.

210421120304 is a deficient number, since it is larger than the sum of its proper divisors (201034329088).

210421120304 is a wasteful number, since it uses less digits than its factorization.

210421120304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44445 (or 44439 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210421120304 its reverse (403021124012), we get a palindrome (613442244316).

The spelling of 210421120304 in words is "two hundred ten billion, four hundred twenty-one million, one hundred twenty thousand, three hundred four".