111001111102012 has 24 divisors (see below), whose sum is σ = 195288029244000. Its totient is φ = 55204618500096.

The previous prime is 111001111102003. The next prime is 111001111102039. The reversal of 111001111102012 is 210201111100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001111101983 and 111001111102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5799937 + ... + 15988792.

It is an arithmetic number, because the mean of its divisors is an integer number (8137001218500).

Almost surely, 2^{111001111102012} is an apocalyptic number.

It is an amenable number.

111001111102012 is a deficient number, since it is larger than the sum of its proper divisors (84286918141988).

111001111102012 is a wasteful number, since it uses less digits than its factorization.

111001111102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21795525 (or 21795523 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111001111102012 its reverse (210201111100111), we get a palindrome (321202222202123).

The spelling of 111001111102012 in words is "one hundred eleven trillion, one billion, one hundred eleven million, one hundred two thousand, twelve".