230221521004 has 48 divisors (see below), whose sum is σ = 445213310976. Its totient is φ = 103610707200.

The previous prime is 230221520993. The next prime is 230221521053. The reversal of 230221521004 is 400125122032.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12801739 + ... + 12819709.

It is an arithmetic number, because the mean of its divisors is an integer number (9275277312).

Almost surely, 2^230221521004 is an apocalyptic number.

It is an amenable number.

230221521004 is a deficient number, since it is larger than the sum of its proper divisors (214991789972).

230221521004 is a wasteful number, since it uses less digits than its factorization.

230221521004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26206 (or 26204 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 230221521004 its reverse (400125122032), we get a palindrome (630346643036).

The spelling of 230221521004 in words is "two hundred thirty billion, two hundred twenty-one million, five hundred twenty-one thousand, four".