111102111222212 has 24 divisors (see below), whose sum is σ = 212292903299232. Its totient is φ = 50455989936000.

The previous prime is 111102111222211. The next prime is 111102111222239. The reversal of 111102111222212 is 212222111201111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111102111222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124192789 + ... + 1124291612.

It is an arithmetic number, because the mean of its divisors is an integer number (8845537637468).

Almost surely, 2^{111102111222212} is an apocalyptic number.

It is an amenable number.

111102111222212 is a deficient number, since it is larger than the sum of its proper divisors (101190792077020).

111102111222212 is a wasteful number, since it uses less digits than its factorization.

111102111222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248485539 (or 2248485537 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111102111222212 its reverse (212222111201111), we get a palindrome (323324222423323).

The spelling of 111102111222212 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".