1010202212161 has 2 divisors, whose sum is σ = 1010202212162. Its totient is φ = 1010202212160.

The previous prime is 1010202212137. The next prime is 1010202212171. The reversal of 1010202212161 is 1612122020101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964215983025 + 45986229136 = 981945^2 + 214444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010202212161 - 2¹¹ = 1010202210113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010202212171) 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, 505101106080 + 505101106081.

It is an arithmetic number, because the mean of its divisors is an integer number (505101106081).

Almost surely, 2^{1010202212161} is an apocalyptic number.

It is an amenable number.

1010202212161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010202212161 is an equidigital number, since it uses as much as digits as its factorization.

1010202212161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1010202212161 its reverse (1612122020101), we get a palindrome (2622324232262).

The spelling of 1010202212161 in words is "one trillion, ten billion, two hundred two million, two hundred twelve thousand, one hundred sixty-one".