22102000020161 has 2 divisors, whose sum is σ = 22102000020162. Its totient is φ = 22102000020160.

The previous prime is 22102000020151. The next prime is 22102000020173. The reversal of 22102000020161 is 16102000020122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14992817667136 + 7109182353025 = 3872056^2 + 2666305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102000020161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22102000020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051000010080 + 11051000010081.

It is an arithmetic number, because the mean of its divisors is an integer number (11051000010081).

Almost surely, 2^{22102000020161} is an apocalyptic number.

It is an amenable number.

22102000020161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102000020161 is an equidigital number, since it uses as much as digits as its factorization.

22102000020161 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 17.

Adding to 22102000020161 its reverse (16102000020122), we get a palindrome (38204000040283).

The spelling of 22102000020161 in words is "twenty-two trillion, one hundred two billion, twenty thousand, one hundred sixty-one".