111161125112 has 32 divisors (see below), whose sum is σ = 211419331200. Its totient is φ = 54785691744.

The previous prime is 111161125111. The next prime is 111161125171. The reversal of 111161125112 is 211521161111.

111161125112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111161125111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100823 + ... + 482169.

It is an arithmetic number, because the mean of its divisors is an integer number (6606854100).

Almost surely, 2^111161125112 is an apocalyptic number.

It is an amenable number.

111161125112 is a deficient number, since it is larger than the sum of its proper divisors (100258206088).

111161125112 is a wasteful number, since it uses less digits than its factorization.

111161125112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381875 (or 381871 counting only the distinct ones).

The product of its digits is 120, while the sum is 23.

Adding to 111161125112 its reverse (211521161111), we get a palindrome (322682286223).

The spelling of 111161125112 in words is "one hundred eleven billion, one hundred sixty-one million, one hundred twenty-five thousand, one hundred twelve".