200021201089 has 2 divisors, whose sum is σ = 200021201090. Its totient is φ = 200021201088.

The previous prime is 200021201071. The next prime is 200021201143. The reversal of 200021201089 is 980102120002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188674690689 + 11346510400 = 434367^2 + 106520^2 .

It is a cyclic number.

It is not a de Polignac number, because 200021201089 - 2²¹ = 200019103937 is a prime.

It is not a weakly prime, because it can be changed into another prime (200021201789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010600544 + 100010600545.

It is an arithmetic number, because the mean of its divisors is an integer number (100010600545).

Almost surely, 2^200021201089 is an apocalyptic number.

It is an amenable number.

200021201089 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021201089 is an equidigital number, since it uses as much as digits as its factorization.

200021201089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 200021201089 in words is "two hundred billion, twenty-one million, two hundred one thousand, eighty-nine".