111102222212 has 48 divisors (see below), whose sum is σ = 212988206592. Its totient is φ = 50482199040.

The previous prime is 111102222211. The next prime is 111102222227. The reversal of 111102222212 is 212222201111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (111102222211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874358 + ... + 993330.

It is an arithmetic number, because the mean of its divisors is an integer number (4437254304).

Almost surely, 2^111102222212 is an apocalyptic number.

It is an amenable number.

111102222212 is a deficient number, since it is larger than the sum of its proper divisors (101885984380).

111102222212 is a wasteful number, since it uses less digits than its factorization.

111102222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119468 (or 119466 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111102222212 its reverse (212222201111), we get a palindrome (323324423323).

It can be divided in two parts, 11110 and 2222212, that added together give a palindrome (2233322).

The spelling of 111102222212 in words is "one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twelve".