111001111012 has 48 divisors (see below), whose sum is σ = 212392857600. Its totient is φ = 50340540960.

The previous prime is 111001110977. The next prime is 111001111099. The reversal of 111001111012 is 210111100111.

It is a self number, because there is not a number n which added to its sum of digits gives 111001111012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63103789 + ... + 63105547.

It is an arithmetic number, because the mean of its divisors is an integer number (4424851200).

Almost surely, 2^111001111012 is an apocalyptic number.

It is an amenable number.

111001111012 is a deficient number, since it is larger than the sum of its proper divisors (101391746588).

111001111012 is a wasteful number, since it uses less digits than its factorization.

111001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111001111012 its reverse (210111100111), we get a palindrome (321112211123).

The spelling of 111001111012 in words is "one hundred eleven billion, one million, one hundred eleven thousand, twelve".