111113223112 has 32 divisors (see below), whose sum is σ = 213812280000. Its totient is φ = 54113894208.

The previous prime is 111113223107. The next prime is 111113223113. The reversal of 111113223112 is 211322311111.

It is a super-2 number, since 2×111113223112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111113223112.

It is not an unprimeable number, because it can be changed into a prime (111113223113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028412 + ... + 1131307.

It is an arithmetic number, because the mean of its divisors is an integer number (6681633750).

Almost surely, 2^111113223112 is an apocalyptic number.

It is an amenable number.

111113223112 is a deficient number, since it is larger than the sum of its proper divisors (102699056888).

111113223112 is a wasteful number, since it uses less digits than its factorization.

111113223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159893 (or 2159889 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 111113223112 its reverse (211322311111), we get a palindrome (322435534223).

The spelling of 111113223112 in words is "one hundred eleven billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred twelve".