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2112112271 is a prime number
BaseRepresentation
bin111110111100100…
…0100011010001111
312110012022102100102
41331321010122033
513311200043041
6545325521315
7103224441503
oct17571043217
95405272312
102112112271
11994261235
124ab41323b
1327876bc99
14160720303
15c565b09b
hex7de4468f

2112112271 has 2 divisors, whose sum is σ = 2112112272. Its totient is φ = 2112112270.

The previous prime is 2112112259. The next prime is 2112112337. The reversal of 2112112271 is 1722112112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112112271 - 210 = 2112111247 is a prime.

It is a super-2 number, since 2×21121122712 = 8922036490617554882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112112201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056056135 + 1056056136.

It is an arithmetic number, because the mean of its divisors is an integer number (1056056136).

Almost surely, 22112112271 is an apocalyptic number.

2112112271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112112271 is an equidigital number, since it uses as much as digits as its factorization.

2112112271 is an evil number, because the sum of its binary digits is even.

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

The square root of 2112112271 is about 45957.7226481034. The cubic root of 2112112271 is about 1283.0364660075.

Adding to 2112112271 its reverse (1722112112), we get a palindrome (3834224383).

The spelling of 2112112271 in words is "two billion, one hundred twelve million, one hundred twelve thousand, two hundred seventy-one".