111011222112 has 96 divisors (see below), whose sum is σ = 340119585792. Its totient is φ = 31042642944.

The previous prime is 111011222071. The next prime is 111011222131. The reversal of 111011222112 is 211222110111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 111011222091 and 111011222100.

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, 1725813 + ... + 1788980.

It is an arithmetic number, because the mean of its divisors is an integer number (3542912352).

Almost surely, 2^111011222112 is an apocalyptic number.

111011222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011222112 is an abundant number, since it is smaller than the sum of its proper divisors (229108363680).

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

111011222112 is a wasteful number, since it uses less digits than its factorization.

111011222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514860 (or 3514852 counting only the distinct ones).

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

Adding to 111011222112 its reverse (211222110111), we get a palindrome (322233332223).

The spelling of 111011222112 in words is "one hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred twelve".