210221001230 has 16 divisors (see below), whose sum is σ = 378559070640. Its totient is φ = 84052563072.

The previous prime is 210221001227. The next prime is 210221001269. The reversal of 210221001230 is 32100122012.

It is a happy number.

It is a congruent number.

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, 4455035 + ... + 4501974.

It is an arithmetic number, because the mean of its divisors is an integer number (23659941915).

Almost surely, 2^210221001230 is an apocalyptic number.

210221001230 is a deficient number, since it is larger than the sum of its proper divisors (168338069410).

210221001230 is a wasteful number, since it uses less digits than its factorization.

210221001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959363.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210221001230 its reverse (32100122012), we get a palindrome (242321123242).

The spelling of 210221001230 in words is "two hundred ten billion, two hundred twenty-one million, one thousand, two hundred thirty".