1113223112 has 32 divisors (see below), whose sum is σ = 2100745920. Its totient is φ = 553037760.

The previous prime is 1113223109. The next prime is 1113223123. The reversal of 1113223112 is 2113223111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530893 + ... + 1531619.

It is an arithmetic number, because the mean of its divisors is an integer number (65648310).

Almost surely, 2^1113223112 is an apocalyptic number.

It is an amenable number.

1113223112 is a deficient number, since it is larger than the sum of its proper divisors (987522808).

1113223112 is a wasteful number, since it uses less digits than its factorization.

1113223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1697 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1113223112 is about 33364.9983066087. The cubic root of 1113223112 is about 1036.4000010725.

Adding to 1113223112 its reverse (2113223111), we get a palindrome (3226446223).

Subtracting 1113223112 from its reverse (2113223111), we obtain a palindrome (999999999).

It can be divided in two parts, 111 and 3223112, that added together give a palindrome (3223223).

The spelling of 1113223112 in words is "one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred twelve".