111102110012 has 24 divisors (see below), whose sum is σ = 205950112704. Its totient is φ = 52261901312.

The previous prime is 111102109999. The next prime is 111102110027. The reversal of 111102110012 is 210011201111.

It is a junction number, because it is equal to n+sod(n) for n = 111102109975 and 111102110002.

It is a congruent number.

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, 167453 + ... + 500244.

It is an arithmetic number, because the mean of its divisors is an integer number (8581254696).

Almost surely, 2^111102110012 is an apocalyptic number.

It is an amenable number.

111102110012 is a deficient number, since it is larger than the sum of its proper divisors (94848002692).

111102110012 is a wasteful number, since it uses less digits than its factorization.

111102110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670165 (or 670163 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111102110012 its reverse (210011201111), we get a palindrome (321113311123).

The spelling of 111102110012 in words is "one hundred eleven billion, one hundred two million, one hundred ten thousand, twelve".