111133442112 has 112 divisors (see below), whose sum is σ = 366596078592. Its totient is φ = 28865825280.

The previous prime is 111133442093. The next prime is 111133442143. The reversal of 111133442112 is 211244331111.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×111133442112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3743788 + ... + 3773355.

Almost surely, 2^111133442112 is an apocalyptic number.

111133442112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111133442112 is an abundant number, since it is smaller than the sum of its proper divisors (255462636480).

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

111133442112 is a wasteful number, since it uses less digits than its factorization.

111133442112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517176 (or 7517166 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 111133442112 its reverse (211244331111), we get a palindrome (322377773223).

The spelling of 111133442112 in words is "one hundred eleven billion, one hundred thirty-three million, four hundred forty-two thousand, one hundred twelve".