Search a number
-
+
2122012101017 is a prime number
BaseRepresentation
bin11110111000010001110…
…001110000100110011001
321111212021200010210011102
4132320101301300212121
5234231340044213032
64302501111441145
7306211303152134
oct36702161604631
97455250123142
102122012101017
11748a38568206
122a33156861b5
13125149571a53
14749c512121b
153a2e9936362
hex1ee11c70999

2122012101017 has 2 divisors, whose sum is σ = 2122012101018. Its totient is φ = 2122012101016.

The previous prime is 2122012101007. The next prime is 2122012101019. The reversal of 2122012101017 is 7101012102212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1594610802841 + 527401298176 = 1262779^2 + 726224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122012101017 - 230 = 2120938359193 is a prime.

It is a super-2 number, since 2×21220121010172 (a number of 25 digits) contains 22 as substring.

Together with 2122012101019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122012101017.

It is not a weakly prime, because it can be changed into another prime (2122012101019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006050508 + 1061006050509.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006050509).

Almost surely, 22122012101017 is an apocalyptic number.

It is an amenable number.

2122012101017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012101017 is an equidigital number, since it uses as much as digits as its factorization.

2122012101017 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 2122012101017 its reverse (7101012102212), we get a palindrome (9223024203229).

The spelling of 2122012101017 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred one thousand, seventeen".