111422012 has 48 divisors (see below), whose sum is σ = 223689312. Its totient is φ = 48107520.

The previous prime is 111422009. The next prime is 111422021. The reversal of 111422012 is 210224111.

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, 212783 + ... + 213305.

It is an arithmetic number, because the mean of its divisors is an integer number (4660194).

Almost surely, 2^111422012 is an apocalyptic number.

It is an amenable number.

111422012 is an abundant number, since it is smaller than the sum of its proper divisors (112267300).

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

111422012 is a wasteful number, since it uses less digits than its factorization.

111422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111422012 is about 10555.6625561828. The cubic root of 111422012 is about 481.1978358707.

Adding to 111422012 its reverse (210224111), we get a palindrome (321646123).

The spelling of 111422012 in words is "one hundred eleven million, four hundred twenty-two thousand, twelve".