30021113203 has 4 divisors (see below), whose sum is σ = 30021776368. Its totient is φ = 30020450040.

The previous prime is 30021113201. The next prime is 30021113207. The reversal of 30021113203 is 30231112003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30231112003 = 47 ⋅643215149.

It is a cyclic number.

It is not a de Polignac number, because 30021113203 - 2¹ = 30021113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30021113201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258276 + ... + 356017.

It is an arithmetic number, because the mean of its divisors is an integer number (7505444092).

Almost surely, 2^30021113203 is an apocalyptic number.

30021113203 is a deficient number, since it is larger than the sum of its proper divisors (663165).

30021113203 is an equidigital number, since it uses as much as digits as its factorization.

30021113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663164.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30021113203 its reverse (30231112003), we get a palindrome (60252225206).

The spelling of 30021113203 in words is "thirty billion, twenty-one million, one hundred thirteen thousand, two hundred three".