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112122212220173 is a prime number
BaseRepresentation
bin11001011111100101111100…
…101000010111110100001101
3112200222210000202020200011002
4121133211330220113310031
5104144002242312021143
61034244122212510045
732421363640663541
oct3137457450276415
9480883022220132
10112122212220173
11327a8843861931
12106aa05201b325
134a7410513c7bc
141d98a5b875a21
15ce68519c85b8
hex65f97ca17d0d

112122212220173 has 2 divisors, whose sum is σ = 112122212220174. Its totient is φ = 112122212220172.

The previous prime is 112122212220133. The next prime is 112122212220217. The reversal of 112122212220173 is 371022212221211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109077595536484 + 3044616683689 = 10444022^2 + 1744883^2 .

It is a cyclic number.

It is not a de Polignac number, because 112122212220173 - 226 = 112122145111309 is a prime.

It is a super-2 number, since 2×1121222122201732 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112122212220133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061106110086 + 56061106110087.

It is an arithmetic number, because the mean of its divisors is an integer number (56061106110087).

Almost surely, 2112122212220173 is an apocalyptic number.

It is an amenable number.

112122212220173 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122212220173 is an equidigital number, since it uses as much as digits as its factorization.

112122212220173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 112122212220173 its reverse (371022212221211), we get a palindrome (483144424441384).

The spelling of 112122212220173 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred seventy-three".