1123320103112 has 8 divisors (see below), whose sum is σ = 2106225193350. Its totient is φ = 561660051552.

The previous prime is 1123320103111. The next prime is 1123320103123. The reversal of 1123320103112 is 2113010233211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 914750693476 + 208569409636 = 956426^2 + 456694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1123320103111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70207506437 + ... + 70207506452.

Almost surely, 2^{1123320103112} is an apocalyptic number.

It is an amenable number.

1123320103112 is a deficient number, since it is larger than the sum of its proper divisors (982905090238).

1123320103112 is a wasteful number, since it uses less digits than its factorization.

1123320103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140415012895 (or 140415012891 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1123320103112 its reverse (2113010233211), we get a palindrome (3236330336323).

The spelling of 1123320103112 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, one hundred three thousand, one hundred twelve".