200210112200221 has 2 divisors, whose sum is σ = 200210112200222. Its totient is φ = 200210112200220.

The previous prime is 200210112200173. The next prime is 200210112200239. The reversal of 200210112200221 is 122002211012002.

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., 198223562897721 + 1986549302500 = 14079189^2 + 1409450^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210112200221 - 2⁹ = 200210112199709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200210112200195 and 200210112200204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200210112200521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105056100110 + 100105056100111.

It is an arithmetic number, because the mean of its divisors is an integer number (100105056100111).

Almost surely, 2^{200210112200221} is an apocalyptic number.

It is an amenable number.

200210112200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210112200221 is an equidigital number, since it uses as much as digits as its factorization.

200210112200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200210112200221 its reverse (122002211012002), we get a palindrome (322212323212223).

The spelling of 200210112200221 in words is "two hundred trillion, two hundred ten billion, one hundred twelve million, two hundred thousand, two hundred twenty-one".