200021219 has 2 divisors, whose sum is σ = 200021220. Its totient is φ = 200021218.

The previous prime is 200021209. The next prime is 200021243. The reversal of 200021219 is 912120002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200021219 - 2⁴ = 200021203 is a prime.

It is a super-2 number, since 2×200021219² = 80016976100491922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_11080061 and since 200021219 and 11080061 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 200021197 and 200021206.

It is not a weakly prime, because it can be changed into another prime (200021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010609 + 100010610.

It is an arithmetic number, because the mean of its divisors is an integer number (100010610).

Almost surely, 2^200021219 is an apocalyptic number.

200021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021219 is an equidigital number, since it uses as much as digits as its factorization.

200021219 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 17.

The square root of 200021219 is about 14142.8858087733. The cubic root of 200021219 is about 584.8242284887.

The spelling of 200021219 in words is "two hundred million, twenty-one thousand, two hundred nineteen".