10202010121201 has 2 divisors, whose sum is σ = 10202010121202. Its totient is φ = 10202010121200.

The previous prime is 10202010121169. The next prime is 10202010121207. The reversal of 10202010121201 is 10212101020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8351868801600 + 1850141319601 = 2889960^2 + 1360199^2 .

It is an emirp because it is prime and its reverse (10212101020201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202010121201 - 2⁵ = 10202010121169 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202010121207) 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, 5101005060600 + 5101005060601.

It is an arithmetic number, because the mean of its divisors is an integer number (5101005060601).

Almost surely, 2^{10202010121201} is an apocalyptic number.

It is an amenable number.

10202010121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202010121201 is an equidigital number, since it uses as much as digits as its factorization.

10202010121201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10202010121201 its reverse (10212101020201), we get a palindrome (20414111141402).

The spelling of 10202010121201 in words is "ten trillion, two hundred two billion, ten million, one hundred twenty-one thousand, two hundred one".