1122103112 has 16 divisors (see below), whose sum is σ = 2265785340. Its totient is φ = 517893696.

The previous prime is 1122103111. The next prime is 1122103117. The reversal of 1122103112 is 2113012211.

It can be written as a sum of positive squares in 2 ways, for example, as 1106626756 + 15476356 = 33266^2 + 3934^2 .

It is not an unprimeable number, because it can be changed into a prime (1122103111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5394623 + ... + 5394830.

Almost surely, 2^1122103112 is an apocalyptic number.

It is an amenable number.

1122103112 is an abundant number, since it is smaller than the sum of its proper divisors (1143682228).

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

1122103112 is a wasteful number, since it uses less digits than its factorization.

1122103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789472 (or 10789468 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122103112 is about 33497.8075700485. The cubic root of 1122103112 is about 1039.1484375378.

Adding to 1122103112 its reverse (2113012211), we get a palindrome (3235115323).

Subtracting 1122103112 from its reverse (2113012211), we obtain a palindrome (990909099).

The spelling of 1122103112 in words is "one billion, one hundred twenty-two million, one hundred three thousand, one hundred twelve".