30232102221 has 24 divisors (see below), whose sum is σ = 45715750080. Its totient is φ = 19215605376.

The previous prime is 30232102163. The next prime is 30232102237. The reversal of 30232102221 is 12220123203.

30232102221 is a `hidden beast` number, since 302 + 321 + 0 + 22 + 21 = 666.

It is not a de Polignac number, because 30232102221 - 2¹⁸ = 30231840077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30232102194 and 30232102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232102261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174316 + ... + 301413.

It is an arithmetic number, because the mean of its divisors is an integer number (1904822920).

Almost surely, 2^30232102221 is an apocalyptic number.

It is an amenable number.

30232102221 is a deficient number, since it is larger than the sum of its proper divisors (15483647859).

30232102221 is a wasteful number, since it uses less digits than its factorization.

30232102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476065 (or 476062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30232102221 its reverse (12220123203), we get a palindrome (42452225424).

The spelling of 30232102221 in words is "thirty billion, two hundred thirty-two million, one hundred two thousand, two hundred twenty-one".