120112224161 has 2 divisors, whose sum is σ = 120112224162. Its totient is φ = 120112224160.

The previous prime is 120112224103. The next prime is 120112224229. The reversal of 120112224161 is 161422211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82050165136 + 38062059025 = 286444^2 + 195095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120112224161 is a prime.

It is not a weakly prime, because it can be changed into another prime (120112224101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056112080 + 60056112081.

It is an arithmetic number, because the mean of its divisors is an integer number (60056112081).

Almost surely, 2^120112224161 is an apocalyptic number.

It is an amenable number.

120112224161 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112224161 is an equidigital number, since it uses as much as digits as its factorization.

120112224161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 120112224161 its reverse (161422211021), we get a palindrome (281534435182).

The spelling of 120112224161 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-four thousand, one hundred sixty-one".