30012110111 has 4 divisors (see below), whose sum is σ = 30049117224. Its totient is φ = 29975103000.

The previous prime is 30012110101. The next prime is 30012110159. The reversal of 30012110111 is 11101121003.

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-30012110111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012110092 and 30012110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012110101) 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, 18502340 + ... + 18503961.

It is an arithmetic number, because the mean of its divisors is an integer number (7512279306).

Almost surely, 2^30012110111 is an apocalyptic number.

30012110111 is a deficient number, since it is larger than the sum of its proper divisors (37007113).

30012110111 is an equidigital number, since it uses as much as digits as its factorization.

30012110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37007112.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 30012110111 its reverse (11101121003), we get a palindrome (41113231114).

It can be divided in two parts, 3001 and 2110111, that added together give a palindrome (2113112).

The spelling of 30012110111 in words is "thirty billion, twelve million, one hundred ten thousand, one hundred eleven".