2010321161 has 2 divisors, whose sum is σ = 2010321162. Its totient is φ = 2010321160.

The previous prime is 2010321127. The next prime is 2010321191. The reversal of 2010321161 is 1611230102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1928527225 + 81793936 = 43915^2 + 9044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010321161 - 2⁶ = 2010321097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2010321121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005160580 + 1005160581.

It is an arithmetic number, because the mean of its divisors is an integer number (1005160581).

Almost surely, 2^2010321161 is an apocalyptic number.

It is an amenable number.

2010321161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010321161 is an equidigital number, since it uses as much as digits as its factorization.

2010321161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2010321161 is about 44836.6051457958. The cubic root of 2010321161 is about 1262.0846403583.

Adding to 2010321161 its reverse (1611230102), we get a palindrome (3621551263).

The spelling of 2010321161 in words is "two billion, ten million, three hundred twenty-one thousand, one hundred sixty-one".