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12201110211071 is a prime number
BaseRepresentation
bin1011000110001100101011…
…0101110000100111111111
31121012102012100102100120102
42301203022311300213333
53044400333203223241
641541040155511315
72366333612421335
oct261431265604777
947172170370512
1012201110211071
1139845096a5011
1214507a715853b
136a6737a26392
143027732d9b55
151625a3a9639b
hexb18cad709ff

12201110211071 has 2 divisors, whose sum is σ = 12201110211072. Its totient is φ = 12201110211070.

The previous prime is 12201110210977. The next prime is 12201110211131. The reversal of 12201110211071 is 17011201110221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17011201110221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201110211071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201110211271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100555105535 + 6100555105536.

It is an arithmetic number, because the mean of its divisors is an integer number (6100555105536).

Almost surely, 212201110211071 is an apocalyptic number.

12201110211071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201110211071 is an equidigital number, since it uses as much as digits as its factorization.

12201110211071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 12201110211071 its reverse (17011201110221), we get a palindrome (29212311321292).

The spelling of 12201110211071 in words is "twelve trillion, two hundred one billion, one hundred ten million, two hundred eleven thousand, seventy-one".