111110121112 has 16 divisors (see below), whose sum is σ = 208338674400. Its totient is φ = 55553141280.

The previous prime is 111110121019. The next prime is 111110121149. The reversal of 111110121112 is 211121011111.

It is a junction number, because it is equal to n+sod(n) for n = 111110121092 and 111110121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23089 + ... + 471967.

It is an arithmetic number, because the mean of its divisors is an integer number (13021167150).

Almost surely, 2^111110121112 is an apocalyptic number.

It is an amenable number.

111110121112 is a deficient number, since it is larger than the sum of its proper divisors (97228553288).

111110121112 is a wasteful number, since it uses less digits than its factorization.

111110121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479826 (or 479822 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111110121112 its reverse (211121011111), we get a palindrome (322231132223).

The spelling of 111110121112 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, one hundred twelve".