30112213111 has 4 divisors (see below), whose sum is σ = 31421439792. Its totient is φ = 28802986432.

The previous prime is 30112213091. The next prime is 30112213121. The reversal of 30112213111 is 11131221103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30112213111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654613306 + ... + 654613351.

It is an arithmetic number, because the mean of its divisors is an integer number (7855359948).

Almost surely, 2^30112213111 is an apocalyptic number.

30112213111 is a deficient number, since it is larger than the sum of its proper divisors (1309226681).

30112213111 is a wasteful number, since it uses less digits than its factorization.

30112213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309226680.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30112213111 its reverse (11131221103), we get a palindrome (41243434214).

It can be divided in two parts, 3011 and 2213111, that added together give a palindrome (2216122).

The spelling of 30112213111 in words is "thirty billion, one hundred twelve million, two hundred thirteen thousand, one hundred eleven".