21302102230 has 8 divisors (see below), whose sum is σ = 38343784032. Its totient is φ = 8520840888.

The previous prime is 21302102219. The next prime is 21302102249. The reversal of 21302102230 is 3220120312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065105102 + ... + 1065105121.

It is an arithmetic number, because the mean of its divisors is an integer number (4792973004).

Almost surely, 2^21302102230 is an apocalyptic number.

21302102230 is a deficient number, since it is larger than the sum of its proper divisors (17041681802).

21302102230 is a wasteful number, since it uses less digits than its factorization.

21302102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130210230.

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

Adding to 21302102230 its reverse (3220120312), we get a palindrome (24522222542).

The spelling of 21302102230 in words is "twenty-one billion, three hundred two million, one hundred two thousand, two hundred thirty".