200100222122161 has 2 divisors, whose sum is σ = 200100222122162. Its totient is φ = 200100222122160.

The previous prime is 200100222122041. The next prime is 200100222122173. The reversal of 200100222122161 is 161221222001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199552888489761 + 547333632400 = 14126319^2 + 739820^2 .

It is a cyclic number.

It is not a de Polignac number, because 200100222122161 - 2³⁷ = 199962783168689 is a prime.

It is not a weakly prime, because it can be changed into another prime (200100222122761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050111061080 + 100050111061081.

It is an arithmetic number, because the mean of its divisors is an integer number (100050111061081).

Almost surely, 2^{200100222122161} is an apocalyptic number.

It is an amenable number.

200100222122161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100222122161 is an equidigital number, since it uses as much as digits as its factorization.

200100222122161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 200100222122161 its reverse (161221222001002), we get a palindrome (361321444123163).

The spelling of 200100222122161 in words is "two hundred trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred sixty-one".