111012120234 has 48 divisors (see below), whose sum is σ = 248855068800. Its totient is φ = 35723042208.

The previous prime is 111012120227. The next prime is 111012120253. The reversal of 111012120234 is 432021210111.

111012120234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6233707 + ... + 6251489.

It is an arithmetic number, because the mean of its divisors is an integer number (5184480600).

Almost surely, 2^111012120234 is an apocalyptic number.

111012120234 is an abundant number, since it is smaller than the sum of its proper divisors (137842948566).

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

111012120234 is a wasteful number, since it uses less digits than its factorization.

111012120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29779 (or 29776 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111012120234 its reverse (432021210111), we get a palindrome (543033330345).

The spelling of 111012120234 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred thirty-four".