112022021161 has 2 divisors, whose sum is σ = 112022021162. Its totient is φ = 112022021160.

The previous prime is 112022021159. The next prime is 112022021291. The reversal of 112022021161 is 161120220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80202240000 + 31819781161 = 283200^2 + 178381^2 .

It is a cyclic number.

It is not a de Polignac number, because 112022021161 - 2¹ = 112022021159 is a prime.

Together with 112022021159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112022021861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56011010580 + 56011010581.

It is an arithmetic number, because the mean of its divisors is an integer number (56011010581).

Almost surely, 2^112022021161 is an apocalyptic number.

It is an amenable number.

112022021161 is a deficient number, since it is larger than the sum of its proper divisors (1).

112022021161 is an equidigital number, since it uses as much as digits as its factorization.

112022021161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 112022021161 its reverse (161120220211), we get a palindrome (273142241372).

The spelling of 112022021161 in words is "one hundred twelve billion, twenty-two million, twenty-one thousand, one hundred sixty-one".