111322120112 has 40 divisors (see below), whose sum is σ = 246553267200. Its totient is φ = 47698972992.

The previous prime is 111322120097. The next prime is 111322120121. The reversal of 111322120112 is 211021223111.

It is a happy number.

It is a super-2 number, since 2×111322120112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412439 + ... + 626697.

It is an arithmetic number, because the mean of its divisors is an integer number (6163831680).

Almost surely, 2^111322120112 is an apocalyptic number.

It is an amenable number.

111322120112 is an abundant number, since it is smaller than the sum of its proper divisors (135231147088).

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

111322120112 is a wasteful number, since it uses less digits than its factorization.

111322120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218913 (or 218907 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111322120112 its reverse (211021223111), we get a palindrome (322343343223).

The spelling of 111322120112 in words is "one hundred eleven billion, three hundred twenty-two million, one hundred twenty thousand, one hundred twelve".