2101210010219 has 2 divisors, whose sum is σ = 2101210010220. Its totient is φ = 2101210010218.

The previous prime is 2101210010209. The next prime is 2101210010227. The reversal of 2101210010219 is 9120100121012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101210010219 is a prime.

It is a super-2 number, since 2×2101210010219² (a number of 25 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 2101210010219.

It is not a weakly prime, because it can be changed into another prime (2101210010209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050605005109 + 1050605005110.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605005110).

Almost surely, 2^{2101210010219} is an apocalyptic number.

2101210010219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101210010219 is an equidigital number, since it uses as much as digits as its factorization.

2101210010219 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 20.

The spelling of 2101210010219 in words is "two trillion, one hundred one billion, two hundred ten million, ten thousand, two hundred nineteen".