Search a number
-
+
11222130211 is a prime number
BaseRepresentation
bin10100111001110010…
…00001111000100011
31001222002102021121021
422130321001320203
5140440331131321
65053321110311
7545044350535
oct123471017043
931862367537
1011222130211
114839666586
122212328397
13109ac5c846
147865b3855
1545a31a941
hex29ce41e23

11222130211 has 2 divisors, whose sum is σ = 11222130212. Its totient is φ = 11222130210.

The previous prime is 11222130209. The next prime is 11222130233. The reversal of 11222130211 is 11203122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11222130211 - 21 = 11222130209 is a prime.

Together with 11222130209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11222130011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611065105 + 5611065106.

It is an arithmetic number, because the mean of its divisors is an integer number (5611065106).

Almost surely, 211222130211 is an apocalyptic number.

11222130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222130211 is an equidigital number, since it uses as much as digits as its factorization.

11222130211 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 11222130211 its reverse (11203122211), we get a palindrome (22425252422).

The spelling of 11222130211 in words is "eleven billion, two hundred twenty-two million, one hundred thirty thousand, two hundred eleven".