210201000001873 has 2 divisors, whose sum is σ = 210201000001874. Its totient is φ = 210201000001872.

The previous prime is 210201000001841. The next prime is 210201000001891. The reversal of 210201000001873 is 378100000102012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137126746472769 + 73074253529104 = 11710113^2 + 8548348^2 .

It is a cyclic number.

It is not a de Polignac number, because 210201000001873 - 2⁵ = 210201000001841 is a prime.

It is not a weakly prime, because it can be changed into another prime (210201000001273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100500000936 + 105100500000937.

It is an arithmetic number, because the mean of its divisors is an integer number (105100500000937).

Almost surely, 2^{210201000001873} is an apocalyptic number.

It is an amenable number.

210201000001873 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201000001873 is an equidigital number, since it uses as much as digits as its factorization.

210201000001873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 210201000001873 its reverse (378100000102012), we get a palindrome (588301000103885).

The spelling of 210201000001873 in words is "two hundred ten trillion, two hundred one billion, one thousand, eight hundred seventy-three".