2301212232161 has 2 divisors, whose sum is σ = 2301212232162. Its totient is φ = 2301212232160.

The previous prime is 2301212232097. The next prime is 2301212232203. The reversal of 2301212232161 is 1612322121032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2041055109025 + 260157123136 = 1428655^2 + 510056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301212232161 - 2⁶ = 2301212232097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2301212232161.

It is not a weakly prime, because it can be changed into another prime (2301212232961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150606116080 + 1150606116081.

It is an arithmetic number, because the mean of its divisors is an integer number (1150606116081).

Almost surely, 2^{2301212232161} is an apocalyptic number.

It is an amenable number.

2301212232161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301212232161 is an equidigital number, since it uses as much as digits as its factorization.

2301212232161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2301212232161 its reverse (1612322121032), we get a palindrome (3913534353193).

The spelling of 2301212232161 in words is "two trillion, three hundred one billion, two hundred twelve million, two hundred thirty-two thousand, one hundred sixty-one".