200112102009 has 24 divisors (see below), whose sum is σ = 290505970560. Its totient is φ = 132738092928.

The previous prime is 200112101977. The next prime is 200112102031. The reversal of 200112102009 is 900201211002.

It is not a de Polignac number, because 200112102009 - 2⁵ = 200112101977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200112101982 and 200112102000.

It is not an unprimeable number, because it can be changed into a prime (200112102079) 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, 1409332 + ... + 1544810.

It is an arithmetic number, because the mean of its divisors is an integer number (12104415440).

Almost surely, 2^200112102009 is an apocalyptic number.

It is an amenable number.

200112102009 is a deficient number, since it is larger than the sum of its proper divisors (90393868551).

200112102009 is a wasteful number, since it uses less digits than its factorization.

200112102009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136309 (or 136306 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 200112102009 in words is "two hundred billion, one hundred twelve million, one hundred two thousand, nine".