202201011161 has 2 divisors, whose sum is σ = 202201011162. Its totient is φ = 202201011160.

The previous prime is 202201011157. The next prime is 202201011203. The reversal of 202201011161 is 161110102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133265883136 + 68935128025 = 365056^2 + 262555^2 .

It is a cyclic number.

It is not a de Polignac number, because 202201011161 - 2² = 202201011157 is a prime.

It is not a weakly prime, because it can be changed into another prime (202201011121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100505580 + 101100505581.

It is an arithmetic number, because the mean of its divisors is an integer number (101100505581).

Almost surely, 2^202201011161 is an apocalyptic number.

It is an amenable number.

202201011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201011161 is an equidigital number, since it uses as much as digits as its factorization.

202201011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 202201011161 its reverse (161110102202), we get a palindrome (363311113363).

The spelling of 202201011161 in words is "two hundred two billion, two hundred one million, eleven thousand, one hundred sixty-one".