1103112112 has 20 divisors (see below), whose sum is σ = 2137915000. Its totient is φ = 551392128.

The previous prime is 1103112107. The next prime is 1103112139. The reversal of 1103112112 is 2112113011.

It is a happy number.

It is a super-2 number, since 2×1103112112² = 2433712663282201088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103112092 and 1103112101.

It is an unprimeable number.

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, 59764 + ... + 76012.

It is an arithmetic number, because the mean of its divisors is an integer number (106895750).

Almost surely, 2^1103112112 is an apocalyptic number.

It is an amenable number.

1103112112 is a deficient number, since it is larger than the sum of its proper divisors (1034802888).

1103112112 is a wasteful number, since it uses less digits than its factorization.

1103112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500 (or 20494 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1103112112 is about 33213.1316198879. The cubic root of 1103112112 is about 1033.2527052826.

Adding to 1103112112 its reverse (2112113011), we get a palindrome (3215225123).

The spelling of 1103112112 in words is "one billion, one hundred three million, one hundred twelve thousand, one hundred twelve".