210002122011161 has 2 divisors, whose sum is σ = 210002122011162. Its totient is φ = 210002122011160.

The previous prime is 210002122011053. The next prime is 210002122011217. The reversal of 210002122011161 is 161110221200012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200818828155136 + 9183293856025 = 14171056^2 + 3030395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210002122011161 is a prime.

It is not a weakly prime, because it can be changed into another prime (210002122011361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001061005580 + 105001061005581.

It is an arithmetic number, because the mean of its divisors is an integer number (105001061005581).

Almost surely, 2^{210002122011161} is an apocalyptic number.

It is an amenable number.

210002122011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002122011161 is an equidigital number, since it uses as much as digits as its factorization.

210002122011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 210002122011161 its reverse (161110221200012), we get a palindrome (371112343211173).

The spelling of 210002122011161 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, eleven thousand, one hundred sixty-one".