1103111323112 has 16 divisors (see below), whose sum is σ = 2087309271300. Its totient is φ = 546495517440.

The previous prime is 1103111323109. The next prime is 1103111323187. The reversal of 1103111323112 is 2113231113011.

It can be written as a sum of positive squares in 2 ways, for example, as 1041163099876 + 61948223236 = 1020374^2 + 248894^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632517089 + ... + 632518832.

Almost surely, 2^{1103111323112} is an apocalyptic number.

It is an amenable number.

1103111323112 is a deficient number, since it is larger than the sum of its proper divisors (984197948188).

1103111323112 is a wasteful number, since it uses less digits than its factorization.

1103111323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265036036 (or 1265036032 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1103111323112 its reverse (2113231113011), we get a palindrome (3216342436123).

The spelling of 1103111323112 in words is "one trillion, one hundred three billion, one hundred eleven million, three hundred twenty-three thousand, one hundred twelve".