30011130021 has 48 divisors (see below), whose sum is σ = 43631873600. Its totient is φ = 18295787520.

The previous prime is 30011130011. The next prime is 30011130029. The reversal of 30011130021 is 12003111003.

It is not a de Polignac number, because 30011130021 - 2²¹ = 30009032869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30011129979 and 30011130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011130029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9292635 + ... + 9295863.

Almost surely, 2^30011130021 is an apocalyptic number.

It is an amenable number.

30011130021 is a deficient number, since it is larger than the sum of its proper divisors (13620743579).

30011130021 is a wasteful number, since it uses less digits than its factorization.

30011130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30011130021 its reverse (12003111003), we get a palindrome (42014241024).

The spelling of 30011130021 in words is "thirty billion, eleven million, one hundred thirty thousand, twenty-one".