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112220210171 is a prime number
BaseRepresentation
bin110100010000011011…
…0001000001111111011
3101201122211010100011102
41220200312020033323
53314311333211141
6123315300322015
711051631022256
oct1504066101773
9351584110142
10112220210171
1143657423953
12198ba3a330b
13a775486534
14560800209d
152dbbea799b
hex1a20d883fb

112220210171 has 2 divisors, whose sum is σ = 112220210172. Its totient is φ = 112220210170.

The previous prime is 112220210101. The next prime is 112220210173. The reversal of 112220210171 is 171012022211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (171012022211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112220210171 - 234 = 95040340987 is a prime.

Together with 112220210173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112220210173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110105085 + 56110105086.

It is an arithmetic number, because the mean of its divisors is an integer number (56110105086).

Almost surely, 2112220210171 is an apocalyptic number.

112220210171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220210171 is an equidigital number, since it uses as much as digits as its factorization.

112220210171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 112220210171 its reverse (171012022211), we get a palindrome (283232232382).

The spelling of 112220210171 in words is "one hundred twelve billion, two hundred twenty million, two hundred ten thousand, one hundred seventy-one".