1122001112 has 16 divisors (see below), whose sum is σ = 2139409800. Its totient is φ = 551491840.

The previous prime is 1122001109. The next prime is 1122001117. The reversal of 1122001112 is 2111002211.

It is a junction number, because it is equal to n+sod(n) for n = 1122001093 and 1122001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122001117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188089 + ... + 1189032.

Almost surely, 2^1122001112 is an apocalyptic number.

It is an amenable number.

1122001112 is a deficient number, since it is larger than the sum of its proper divisors (1017408688).

1122001112 is a wasteful number, since it uses less digits than its factorization.

1122001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377186 (or 2377182 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1122001112 is about 33496.2850477482. The cubic root of 1122001112 is about 1039.1169501307.

Adding to 1122001112 its reverse (2111002211), we get a palindrome (3233003323).

The spelling of 1122001112 in words is "one billion, one hundred twenty-two million, one thousand, one hundred twelve".