210002120219 has 2 divisors, whose sum is σ = 210002120220. Its totient is φ = 210002120218.

The previous prime is 210002120203. The next prime is 210002120257. The reversal of 210002120219 is 912021200012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002120219 - 2⁴ = 210002120203 is a prime.

It is a super-2 number, since 2×210002120219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210002120219.

It is not a weakly prime, because it can be changed into another prime (210002120269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001060109 + 105001060110.

It is an arithmetic number, because the mean of its divisors is an integer number (105001060110).

Almost surely, 2^210002120219 is an apocalyptic number.

210002120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002120219 is an equidigital number, since it uses as much as digits as its factorization.

210002120219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 210002120219 in words is "two hundred ten billion, two million, one hundred twenty thousand, two hundred nineteen".