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2222111011 is a prime number
BaseRepresentation
bin1000010001110010…
…1011100100100011
312201212021221020211
42010130223210203
514022330023021
61004255314551
7106031426521
oct20434534443
95655257224
102222111011
11a4036198a
1252021ba57
132954a38b3
14171195311
15d01383e1
hex8472b923

2222111011 has 2 divisors, whose sum is σ = 2222111012. Its totient is φ = 2222111010.

The previous prime is 2222110997. The next prime is 2222111033. The reversal of 2222111011 is 1101112222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222111011 - 27 = 2222110883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222110982 and 2222111000.

It is not a weakly prime, because it can be changed into another prime (2222111081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111055505 + 1111055506.

It is an arithmetic number, because the mean of its divisors is an integer number (1111055506).

Almost surely, 22222111011 is an apocalyptic number.

2222111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222111011 is an equidigital number, since it uses as much as digits as its factorization.

2222111011 is an evil number, because the sum of its binary digits is even.

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

The square root of 2222111011 is about 47139.2724912042. The cubic root of 2222111011 is about 1304.9341111657.

Adding to 2222111011 its reverse (1101112222), we get a palindrome (3323223233).

The spelling of 2222111011 in words is "two billion, two hundred twenty-two million, one hundred eleven thousand, eleven".