2212652237161 has 2 divisors, whose sum is σ = 2212652237162. Its totient is φ = 2212652237160.

The previous prime is 2212652237143. The next prime is 2212652237171. The reversal of 2212652237161 is 1617322562122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1443446059225 + 769206177936 = 1201435^2 + 877044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212652237161 - 2⁵ = 2212652237129 is a prime.

It is a super-2 number, since 2×2212652237161² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2212652237141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106326118580 + 1106326118581.

It is an arithmetic number, because the mean of its divisors is an integer number (1106326118581).

Almost surely, 2^{2212652237161} is an apocalyptic number.

It is an amenable number.

2212652237161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212652237161 is an equidigital number, since it uses as much as digits as its factorization.

2212652237161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

Adding to 2212652237161 its reverse (1617322562122), we get a palindrome (3829974799283).

The spelling of 2212652237161 in words is "two trillion, two hundred twelve billion, six hundred fifty-two million, two hundred thirty-seven thousand, one hundred sixty-one".