200100210109 has 2 divisors, whose sum is σ = 200100210110. Its totient is φ = 200100210108.

The previous prime is 200100210091. The next prime is 200100210143. The reversal of 200100210109 is 901012001002.

Together with previous prime (200100210091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199840291225 + 259918884 = 447035^2 + 16122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200100210109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200100210092 and 200100210101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200100214109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050105054 + 100050105055.

It is an arithmetic number, because the mean of its divisors is an integer number (100050105055).

Almost surely, 2^200100210109 is an apocalyptic number.

It is an amenable number.

200100210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100210109 is an equidigital number, since it uses as much as digits as its factorization.

200100210109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 200100210109 in words is "two hundred billion, one hundred million, two hundred ten thousand, one hundred nine".