210330210421273 has 2 divisors, whose sum is σ = 210330210421274. Its totient is φ = 210330210421272.

The previous prime is 210330210421213. The next prime is 210330210421319. The reversal of 210330210421273 is 372124012033012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190350669278169 + 19979541143104 = 13796763^2 + 4469848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210330210421273 is a prime.

It is not a weakly prime, because it can be changed into another prime (210330210421213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105165105210636 + 105165105210637.

It is an arithmetic number, because the mean of its divisors is an integer number (105165105210637).

Almost surely, 2^{210330210421273} is an apocalyptic number.

It is an amenable number.

210330210421273 is a deficient number, since it is larger than the sum of its proper divisors (1).

210330210421273 is an equidigital number, since it uses as much as digits as its factorization.

210330210421273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 210330210421273 its reverse (372124012033012), we get a palindrome (582454222454285).

The spelling of 210330210421273 in words is "two hundred ten trillion, three hundred thirty billion, two hundred ten million, four hundred twenty-one thousand, two hundred seventy-three".