112102111209 has 24 divisors (see below), whose sum is σ = 165276780480. Its totient is φ = 67533806560.

The previous prime is 112102111201. The next prime is 112102111211. The reversal of 112102111209 is 902111201211.

It is not a de Polignac number, because 112102111209 - 2³ = 112102111201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112102111201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863994 + ... + 985235.

It is an arithmetic number, because the mean of its divisors is an integer number (6886532520).

Almost surely, 2^112102111209 is an apocalyptic number.

It is an amenable number.

112102111209 is a deficient number, since it is larger than the sum of its proper divisors (53174669271).

112102111209 is a wasteful number, since it uses less digits than its factorization.

112102111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849421 (or 1849410 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 112102111209 in words is "one hundred twelve billion, one hundred two million, one hundred eleven thousand, two hundred nine".