200020021099 has 2 divisors, whose sum is σ = 200020021100. Its totient is φ = 200020021098.

The previous prime is 200020021093. The next prime is 200020021121. The reversal of 200020021099 is 990120020002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200020021099 - 2⁵ = 200020021067 is a prime.

It is not a weakly prime, because it can be changed into another prime (200020021093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010010549 + 100010010550.

It is an arithmetic number, because the mean of its divisors is an integer number (100010010550).

Almost surely, 2^200020021099 is an apocalyptic number.

200020021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020021099 is an equidigital number, since it uses as much as digits as its factorization.

200020021099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 200020021099 in words is "two hundred billion, twenty million, twenty-one thousand, ninety-nine".