2010210212221 has 2 divisors, whose sum is σ = 2010210212222. Its totient is φ = 2010210212220.

The previous prime is 2010210212183. The next prime is 2010210212233. The reversal of 2010210212221 is 1222120120102.

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., 1045127959225 + 965082252996 = 1022315^2 + 982386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010210212221 - 2¹³ = 2010210204029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010210212195 and 2010210212204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010210212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005105106110 + 1005105106111.

It is an arithmetic number, because the mean of its divisors is an integer number (1005105106111).

Almost surely, 2^{2010210212221} is an apocalyptic number.

It is an amenable number.

2010210212221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010210212221 is an equidigital number, since it uses as much as digits as its factorization.

2010210212221 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 2010210212221 its reverse (1222120120102), we get a palindrome (3232330332323).

The spelling of 2010210212221 in words is "two trillion, ten billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-one".