Search a number
-
+
2122121014187 is a prime number
BaseRepresentation
bin11110111000011000010…
…001001110101110101011
321111212120021002010221112
4132320120101032232223
5234232100434423222
64302520002100535
7306214064666216
oct36703021165653
97455507063845
102122121014187
11748a93a97299
122a334604a74b
13125165cb6505
14749d579277d
153a30429bbe2
hex1ee1844ebab

2122121014187 has 2 divisors, whose sum is σ = 2122121014188. Its totient is φ = 2122121014186.

The previous prime is 2122121014177. The next prime is 2122121014217. The reversal of 2122121014187 is 7814101212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122121014187 - 214 = 2122120997803 is a prime.

It is a super-2 number, since 2×21221210141872 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2122121014157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060507093 + 1061060507094.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060507094).

Almost surely, 22122121014187 is an apocalyptic number.

2122121014187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122121014187 is an equidigital number, since it uses as much as digits as its factorization.

2122121014187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 32.

Adding to 2122121014187 its reverse (7814101212212), we get a palindrome (9936222226399).

The spelling of 2122121014187 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, fourteen thousand, one hundred eighty-seven".