111010110012 has 48 divisors (see below), whose sum is σ = 297728272800. Its totient is φ = 35727390720.

The previous prime is 111010109953. The next prime is 111010110031. The reversal of 111010110012 is 210011010111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111010109976 and 111010110003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17718789 + ... + 17725052.

It is an arithmetic number, because the mean of its divisors is an integer number (6202672350).

Almost surely, 2^111010110012 is an apocalyptic number.

111010110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111010110012 is an abundant number, since it is smaller than the sum of its proper divisors (186718162788).

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

111010110012 is a wasteful number, since it uses less digits than its factorization.

111010110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35443883 (or 35443875 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111010110012 its reverse (210011010111), we get a palindrome (321021120123).

Subtracting 111010110012 from its reverse (210011010111), we obtain a palindrome (99000900099).

The spelling of 111010110012 in words is "one hundred eleven billion, ten million, one hundred ten thousand, twelve".