211210210219 has 2 divisors, whose sum is σ = 211210210220. Its totient is φ = 211210210218.

The previous prime is 211210210129. The next prime is 211210210249. The reversal of 211210210219 is 912012012112.

Together with previous prime (211210210129) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211210210219 - 2⁷ = 211210210091 is a prime.

It is a super-2 number, since 2×211210210219² (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 211210210219.

It is not a weakly prime, because it can be changed into another prime (211210210249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605105109 + 105605105110.

It is an arithmetic number, because the mean of its divisors is an integer number (105605105110).

Almost surely, 2^211210210219 is an apocalyptic number.

211210210219 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210210219 is an equidigital number, since it uses as much as digits as its factorization.

211210210219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 211210210219 in words is "two hundred eleven billion, two hundred ten million, two hundred ten thousand, two hundred nineteen".