200201111421161 has 2 divisors, whose sum is σ = 200201111421162. Its totient is φ = 200201111421160.

The previous prime is 200201111421061. The next prime is 200201111421187. The reversal of 200201111421161 is 161124111102002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199386684589225 + 814426831936 = 14120435^2 + 902456^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201111421161 - 2¹⁸ = 200201111159017 is a prime.

It is not a weakly prime, because it can be changed into another prime (200201111421191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100555710580 + 100100555710581.

It is an arithmetic number, because the mean of its divisors is an integer number (100100555710581).

Almost surely, 2^{200201111421161} is an apocalyptic number.

It is an amenable number.

200201111421161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201111421161 is an equidigital number, since it uses as much as digits as its factorization.

200201111421161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 200201111421161 its reverse (161124111102002), we get a palindrome (361325222523163).

The spelling of 200201111421161 in words is "two hundred trillion, two hundred one billion, one hundred eleven million, four hundred twenty-one thousand, one hundred sixty-one".