200010012021109 has 2 divisors, whose sum is σ = 200010012021110. Its totient is φ = 200010012021108.

The previous prime is 200010012021097. The next prime is 200010012021199. The reversal of 200010012021109 is 901120210010002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199891385507025 + 118626514084 = 14138295^2 + 344422^2 .

It is a cyclic number.

It is not a de Polignac number, because 200010012021109 - 2³¹ = 200007864537461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200010012021199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005006010554 + 100005006010555.

It is an arithmetic number, because the mean of its divisors is an integer number (100005006010555).

Almost surely, 2^{200010012021109} is an apocalyptic number.

It is an amenable number.

200010012021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200010012021109 is an equidigital number, since it uses as much as digits as its factorization.

200010012021109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 200010012021109 in words is "two hundred trillion, ten billion, twelve million, twenty-one thousand, one hundred nine".