Search a number
-
+
2112001211 is a prime number
BaseRepresentation
bin111110111100010…
…1001010010111011
312110012002210000002
41331320221102323
513311133014321
6545323303215
7103223466635
oct17570512273
95405083002
102112001211
11994195851
124ab37ab0b
13278730578
141606d1a55
15c563820b
hex7de294bb

2112001211 has 2 divisors, whose sum is σ = 2112001212. Its totient is φ = 2112001210.

The previous prime is 2112001207. The next prime is 2112001217. The reversal of 2112001211 is 1121002112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112001211 - 22 = 2112001207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112001192 and 2112001201.

It is not a weakly prime, because it can be changed into another prime (2112001217) 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, 1056000605 + 1056000606.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000606).

Almost surely, 22112001211 is an apocalyptic number.

2112001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112001211 is an equidigital number, since it uses as much as digits as its factorization.

2112001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2112001211 is about 45956.5143478049. The cubic root of 2112001211 is about 1283.0139772208.

Adding to 2112001211 its reverse (1121002112), we get a palindrome (3233003323).

Subtracting from 2112001211 its reverse (1121002112), we obtain a palindrome (990999099).

The spelling of 2112001211 in words is "two billion, one hundred twelve million, one thousand, two hundred eleven".