1109102012 has 12 divisors (see below), whose sum is σ = 1943369400. Its totient is φ = 553853616.

The previous prime is 1109102011. The next prime is 1109102017. The reversal of 1109102012 is 2102019011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109102011) 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, 170762 + ... + 177137.

It is an arithmetic number, because the mean of its divisors is an integer number (161947450).

Almost surely, 2^1109102012 is an apocalyptic number.

It is an amenable number.

1109102012 is a deficient number, since it is larger than the sum of its proper divisors (834267388).

1109102012 is a wasteful number, since it uses less digits than its factorization.

1109102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348700 (or 348698 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1109102012 is about 33303.1832112187. The cubic root of 1109102012 is about 1035.1195181979.

The spelling of 1109102012 in words is "one billion, one hundred nine million, one hundred two thousand, twelve".