30112330221 has 48 divisors (see below), whose sum is σ = 45489600000. Its totient is φ = 19172482560.

The previous prime is 30112330211. The next prime is 30112330267. The reversal of 30112330221 is 12203321103.

30112330221 is a `hidden beast` number, since 3 + 0 + 112 + 330 + 221 = 666.

It is not a de Polignac number, because 30112330221 - 2⁷ = 30112330093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30112330194 and 30112330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20087530 + ... + 20089028.

It is an arithmetic number, because the mean of its divisors is an integer number (947700000).

Almost surely, 2^30112330221 is an apocalyptic number.

30112330221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30112330221 is a deficient number, since it is larger than the sum of its proper divisors (15377269779).

30112330221 is a wasteful number, since it uses less digits than its factorization.

30112330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30112330221 its reverse (12203321103), we get a palindrome (42315651324).

The spelling of 30112330221 in words is "thirty billion, one hundred twelve million, three hundred thirty thousand, two hundred twenty-one".