203021013089 has 2 divisors, whose sum is σ = 203021013090. Its totient is φ = 203021013088.

The previous prime is 203021013077. The next prime is 203021013113. The reversal of 203021013089 is 980310120302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199255104400 + 3765908689 = 446380^2 + 61367^2 .

It is a cyclic number.

It is not a de Polignac number, because 203021013089 - 2²⁸ = 202752577633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (203021013049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101510506544 + 101510506545.

It is an arithmetic number, because the mean of its divisors is an integer number (101510506545).

Almost surely, 2^203021013089 is an apocalyptic number.

It is an amenable number.

203021013089 is a deficient number, since it is larger than the sum of its proper divisors (1).

203021013089 is an equidigital number, since it uses as much as digits as its factorization.

203021013089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 203021013089 in words is "two hundred three billion, twenty-one million, thirteen thousand, eighty-nine".