111000100012 has 12 divisors (see below), whose sum is σ = 194590371976. Its totient is φ = 55402850880.

The previous prime is 111000099979. The next prime is 111000100019. The reversal of 111000100012 is 210001000111.

It is a junction number, because it is equal to n+sod(n) for n = 111000099968 and 111000100004.

It is not an unprimeable number, because it can be changed into a prime (111000100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24297213 + ... + 24301780.

Almost surely, 2^111000100012 is an apocalyptic number.

It is an amenable number.

111000100012 is a deficient number, since it is larger than the sum of its proper divisors (83590271964).

111000100012 is a wasteful number, since it uses less digits than its factorization.

111000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48599568 (or 48599566 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111000100012 its reverse (210001000111), we get a palindrome (321001100123).

Subtracting 111000100012 from its reverse (210001000111), we obtain a palindrome (99000900099).

The spelling of 111000100012 in words is "one hundred eleven billion, one hundred thousand, twelve".