30112021100 has 72 divisors (see below), whose sum is σ = 76266785280. Its totient is φ = 10104448320.

The previous prime is 30112021063. The next prime is 30112021127. The reversal of 30112021100 is 112021103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424730 + ... + 490529.

Almost surely, 2^30112021100 is an apocalyptic number.

It is an amenable number.

30112021100 is an abundant number, since it is smaller than the sum of its proper divisors (46154764180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30112021100 is a wasteful number, since it uses less digits than its factorization.

30112021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915327 (or 915320 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30112021100 its reverse (112021103), we get a palindrome (30224042203).

The spelling of 30112021100 in words is "thirty billion, one hundred twelve million, twenty-one thousand, one hundred".