30033130221 has 12 divisors (see below), whose sum is σ = 43399212480. Its totient is φ = 20013767880.

The previous prime is 30033130219. The next prime is 30033130229. The reversal of 30033130221 is 12203133003.

30033130221 is a `hidden beast` number, since 30 + 0 + 331 + 302 + 2 + 1 = 666.

It is not a de Polignac number, because 30033130221 - 2¹ = 30033130219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30033130194 and 30033130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033130229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670341 + ... + 713738.

It is an arithmetic number, because the mean of its divisors is an integer number (3616601040).

Almost surely, 2^30033130221 is an apocalyptic number.

It is an amenable number.

30033130221 is a deficient number, since it is larger than the sum of its proper divisors (13366082259).

30033130221 is a wasteful number, since it uses less digits than its factorization.

30033130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386496 (or 1386493 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30033130221 its reverse (12203133003), we get a palindrome (42236263224).

The spelling of 30033130221 in words is "thirty billion, thirty-three million, one hundred thirty thousand, two hundred twenty-one".