111201120112 has 20 divisors (see below), whose sum is σ = 215461321200. Its totient is φ = 55598198528.

The previous prime is 111201120091. The next prime is 111201120139. The reversal of 111201120112 is 211021102111.

It is a happy number.

It is a super-2 number, since 2×111201120112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111201120092 and 111201120101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278088 + ... + 547480.

It is an arithmetic number, because the mean of its divisors is an integer number (10773066060).

Almost surely, 2^111201120112 is an apocalyptic number.

It is an amenable number.

111201120112 is a deficient number, since it is larger than the sum of its proper divisors (104260201088).

111201120112 is a wasteful number, since it uses less digits than its factorization.

111201120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295200 (or 295194 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201120112 its reverse (211021102111), we get a palindrome (322222222223).

The spelling of 111201120112 in words is "one hundred eleven billion, two hundred one million, one hundred twenty thousand, one hundred twelve".