111102011212 has 12 divisors (see below), whose sum is σ = 194450357080. Its totient is φ = 55544766336.

The previous prime is 111102011203. The next prime is 111102011243. The reversal of 111102011212 is 212110201111.

It is a happy number.

111102011212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111102011192 and 111102011201.

It is an unprimeable number.

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, 1519638 + ... + 1591069.

Almost surely, 2^111102011212 is an apocalyptic number.

It is an amenable number.

111102011212 is a deficient number, since it is larger than the sum of its proper divisors (83348345868).

111102011212 is a wasteful number, since it uses less digits than its factorization.

111102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119640 (or 3119638 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111102011212 its reverse (212110201111), we get a palindrome (323212212323).

The spelling of 111102011212 in words is "one hundred eleven billion, one hundred two million, eleven thousand, two hundred twelve".