111111000121112 has 64 divisors (see below), whose sum is σ = 223114785638400. Its totient is φ = 51758740535040.

The previous prime is 111111000121087. The next prime is 111111000121117. The reversal of 111111000121112 is 211121000111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111000121117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49537064 + ... + 51731447.

It is an arithmetic number, because the mean of its divisors is an integer number (3486168525600).

Almost surely, 2^{111111000121112} is an apocalyptic number.

It is an amenable number.

111111000121112 is an abundant number, since it is smaller than the sum of its proper divisors (112003785517288).

111111000121112 is a wasteful number, since it uses less digits than its factorization.

111111000121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101268696 (or 101268692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111111000121112 its reverse (211121000111111), we get a palindrome (322232000232223).

The spelling of 111111000121112 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twenty-one thousand, one hundred twelve".