1010220161 has 2 divisors, whose sum is σ = 1010220162. Its totient is φ = 1010220160.

The previous prime is 1010220151. The next prime is 1010220247. The reversal of 1010220161 is 1610220101.

1010220161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652291600 + 357928561 = 25540^2 + 18919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010220161 - 2¹⁰ = 1010219137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010220151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110080 + 505110081.

It is an arithmetic number, because the mean of its divisors is an integer number (505110081).

Almost surely, 2^1010220161 is an apocalyptic number.

It is an amenable number.

1010220161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010220161 is an equidigital number, since it uses as much as digits as its factorization.

1010220161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1010220161 is about 31783.9607506679. The cubic root of 1010220161 is about 1003.3951800401.

Adding to 1010220161 its reverse (1610220101), we get a palindrome (2620440262).

The spelling of 1010220161 in words is "one billion, ten million, two hundred twenty thousand, one hundred sixty-one".