210242102020019 has 2 divisors, whose sum is σ = 210242102020020. Its totient is φ = 210242102020018.

The previous prime is 210242102019991. The next prime is 210242102020021. The reversal of 210242102020019 is 910020201242012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210242102020019 - 2⁴⁴ = 192649915975603 is a prime.

It is a super-3 number, since 3×210242102020019³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 210242102020021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210242102020019.

It is not a weakly prime, because it can be changed into another prime (210242102080019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121051010009 + 105121051010010.

It is an arithmetic number, because the mean of its divisors is an integer number (105121051010010).

Almost surely, 2^{210242102020019} is an apocalyptic number.

210242102020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

210242102020019 is an equidigital number, since it uses as much as digits as its factorization.

210242102020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 210242102020019 in words is "two hundred ten trillion, two hundred forty-two billion, one hundred two million, twenty thousand, nineteen".