111110123012 has 24 divisors (see below), whose sum is σ = 222247583040. Its totient is φ = 47612766240.

The previous prime is 111110122969. The next prime is 111110123039. The reversal of 111110123012 is 210321011111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8414 + ... + 471477.

It is an arithmetic number, because the mean of its divisors is an integer number (9260315960).

Almost surely, 2^111110123012 is an apocalyptic number.

It is an amenable number.

111110123012 is an abundant number, since it is smaller than the sum of its proper divisors (111137460028).

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

111110123012 is a wasteful number, since it uses less digits than its factorization.

111110123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488171 (or 488169 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111110123012 its reverse (210321011111), we get a palindrome (321431134123).

The spelling of 111110123012 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-three thousand, twelve".