111122001112 has 32 divisors (see below), whose sum is σ = 217735372800. Its totient is φ = 53114219424.

The previous prime is 111122001071. The next prime is 111122001113. The reversal of 111122001112 is 211100221111.

It is a happy number.

It is a super-2 number, since 2×111122001112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111122001092 and 111122001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122001113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420312 + ... + 3452647.

It is an arithmetic number, because the mean of its divisors is an integer number (6804230400).

Almost surely, 2^111122001112 is an apocalyptic number.

It is an amenable number.

111122001112 is a deficient number, since it is larger than the sum of its proper divisors (106613371688).

111122001112 is a wasteful number, since it uses less digits than its factorization.

111122001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873055 (or 6873051 counting only the distinct ones).

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

Adding to 111122001112 its reverse (211100221111), we get a palindrome (322222222223).

The spelling of 111122001112 in words is "one hundred eleven billion, one hundred twenty-two million, one thousand, one hundred twelve".