111010011111012 has 24 divisors (see below), whose sum is σ = 278948233048576. Its totient is φ = 34156926495648.

The previous prime is 111010011110909. The next prime is 111010011111017. The reversal of 111010011111012 is 210111110010111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111010011111017) 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, 355801317508 + ... + 355801317819.

Almost surely, 2^{111010011111012} is an apocalyptic number.

111010011111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111010011111012 is an abundant number, since it is smaller than the sum of its proper divisors (167938221937564).

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

111010011111012 is a wasteful number, since it uses less digits than its factorization.

111010011111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711602635347 (or 711602635345 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 111010011111012 its reverse (210111110010111), we get a palindrome (321121121121123).

The spelling of 111010011111012 in words is "one hundred eleven trillion, ten billion, eleven million, one hundred eleven thousand, twelve".