111120111222 has 32 divisors (see below), whose sum is σ = 222664619520. Its totient is φ = 36969360480.

The previous prime is 111120111203. The next prime is 111120111239. The reversal of 111120111222 is 222111021111.

It is a happy number.

It is a congruent number.

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, 10093573 + ... + 10104575.

It is an arithmetic number, because the mean of its divisors is an integer number (6958269360).

Almost surely, 2^111120111222 is an apocalyptic number.

111120111222 is an abundant number, since it is smaller than the sum of its proper divisors (111544508298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111120111222 is a wasteful number, since it uses less digits than its factorization.

111120111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14068.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111120111222 its reverse (222111021111), we get a palindrome (333231132333).

The spelling of 111120111222 in words is "one hundred eleven billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".