221231300300330 has 16 divisors (see below), whose sum is σ = 398220965470944. Its totient is φ = 88491492357840.

The previous prime is 221231300300251. The next prime is 221231300300369. The reversal of 221231300300330 is 33003003132122.

It is a junction number, because it is equal to n+sod(n) for n = 221231300300296 and 221231300300305.

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, 127565912 + ... + 129288531.

It is an arithmetic number, because the mean of its divisors is an integer number (24888810341934).

Almost surely, 2^{221231300300330} is an apocalyptic number.

221231300300330 is a deficient number, since it is larger than the sum of its proper divisors (176989665170614).

221231300300330 is a wasteful number, since it uses less digits than its factorization.

221231300300330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256940581.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 221231300300330 its reverse (33003003132122), we get a palindrome (254234303432452).

The spelling of 221231300300330 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, three hundred million, three hundred thousand, three hundred thirty".