111011222013012 has 72 divisors (see below), whose sum is σ = 287309601939360. Its totient is φ = 36121532126400.

The previous prime is 111011222012959. The next prime is 111011222013019. The reversal of 111011222013012 is 210310222110111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011222013019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18900114 + ... + 24067337.

Almost surely, 2^{111011222013012} is an apocalyptic number.

111011222013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011222013012 is an abundant number, since it is smaller than the sum of its proper divisors (176298379926348).

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

111011222013012 is a wasteful number, since it uses less digits than its factorization.

111011222013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42969173 (or 42969168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111011222013012 its reverse (210310222110111), we get a palindrome (321321444123123).

The spelling of 111011222013012 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-two million, thirteen thousand, twelve".