Search a number
-
+
212100201211 is a prime number
BaseRepresentation
bin1100010110001000101…
…0000011101011111011
3202021110121221121001211
43011202022003223323
511433340122414321
6241234255223551
721216016651363
oct3054212035373
9667417847054
10212100201211
1181a51041498
1235133b17bb7
1317002167c52
14a3a11439a3
1557b58d90e1
hex3162283afb

212100201211 has 2 divisors, whose sum is σ = 212100201212. Its totient is φ = 212100201210.

The previous prime is 212100201179. The next prime is 212100201311. The reversal of 212100201211 is 112102001212.

212100201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212100201211 - 25 = 212100201179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212100201191 and 212100201200.

It is not a weakly prime, because it can be changed into another prime (212100201311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050100605 + 106050100606.

It is an arithmetic number, because the mean of its divisors is an integer number (106050100606).

Almost surely, 2212100201211 is an apocalyptic number.

212100201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100201211 is an equidigital number, since it uses as much as digits as its factorization.

212100201211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212100201211 its reverse (112102001212), we get a palindrome (324202202423).

The spelling of 212100201211 in words is "two hundred twelve billion, one hundred million, two hundred one thousand, two hundred eleven".