111313011012 has 96 divisors (see below), whose sum is σ = 299197113600. Its totient is φ = 31551137280.

The previous prime is 111313011011. The next prime is 111313011037. The reversal of 111313011012 is 210110313111.

It is a junction number, because it is equal to n+sod(n) for n = 111313010982 and 111313011000.

It is not an unprimeable number, because it can be changed into a prime (111313011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10971462 + ... + 10981602.

It is an arithmetic number, because the mean of its divisors is an integer number (3116636600).

Almost surely, 2^111313011012 is an apocalyptic number.

111313011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111313011012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149598556800).

111313011012 is an abundant number, since it is smaller than the sum of its proper divisors (187884102588).

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

111313011012 is a wasteful number, since it uses less digits than its factorization.

111313011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111313011012 its reverse (210110313111), we get a palindrome (321423324123).

The spelling of 111313011012 in words is "one hundred eleven billion, three hundred thirteen million, eleven thousand, twelve".