10200210221221 has 2 divisors, whose sum is σ = 10200210221222. Its totient is φ = 10200210221220.

The previous prime is 10200210221209. The next prime is 10200210221261. The reversal of 10200210221221 is 12212201200201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10160086125121 + 40124096100 = 3187489^2 + 200310^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200210221221 - 2¹⁹ = 10200209696933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10200210221195 and 10200210221204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10200210221261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100105110610 + 5100105110611.

It is an arithmetic number, because the mean of its divisors is an integer number (5100105110611).

Almost surely, 2^{10200210221221} is an apocalyptic number.

It is an amenable number.

10200210221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200210221221 is an equidigital number, since it uses as much as digits as its factorization.

10200210221221 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 10200210221221 its reverse (12212201200201), we get a palindrome (22412411421422).

The spelling of 10200210221221 in words is "ten trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-one".