Search a number
-
+
11230222111 is a prime number
BaseRepresentation
bin10100111010101111…
…11001011100011111
31001222122122101121021
422131113321130133
5140444414101421
65054210345011
7545203212223
oct123527713437
931878571537
1011230222111
1148431930a9
122214b8b167
13109c833a54
147876bc783
1545adb8341
hex29d5f971f

11230222111 has 2 divisors, whose sum is σ = 11230222112. Its totient is φ = 11230222110.

The previous prime is 11230222097. The next prime is 11230222127. The reversal of 11230222111 is 11122203211.

It is an a-pointer prime, because the next prime (11230222127) can be obtained adding 11230222111 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11230222111 - 29 = 11230221599 is a prime.

It is a super-2 number, since 2×112302221112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230222141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615111055 + 5615111056.

It is an arithmetic number, because the mean of its divisors is an integer number (5615111056).

Almost surely, 211230222111 is an apocalyptic number.

11230222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230222111 is an equidigital number, since it uses as much as digits as its factorization.

11230222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11230222111 its reverse (11122203211), we get a palindrome (22352425322).

The spelling of 11230222111 in words is "eleven billion, two hundred thirty million, two hundred twenty-two thousand, one hundred eleven".