202112000161 has 2 divisors, whose sum is σ = 202112000162. Its totient is φ = 202112000160.

The previous prime is 202112000131. The next prime is 202112000177. The reversal of 202112000161 is 161000211202.

It is an a-pointer prime, because the next prime (202112000177) can be obtained adding 202112000161 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202010695936 + 101304225 = 449456^2 + 10065^2 .

It is a cyclic number.

It is not a de Polignac number, because 202112000161 - 2⁷ = 202112000033 is a prime.

It is not a weakly prime, because it can be changed into another prime (202112000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056000080 + 101056000081.

It is an arithmetic number, because the mean of its divisors is an integer number (101056000081).

Almost surely, 2^202112000161 is an apocalyptic number.

It is an amenable number.

202112000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112000161 is an equidigital number, since it uses as much as digits as its factorization.

202112000161 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 16.

Adding to 202112000161 its reverse (161000211202), we get a palindrome (363112211363).

The spelling of 202112000161 in words is "two hundred two billion, one hundred twelve million, one hundred sixty-one", and thus it is an aban number.