Base | Representation |
---|---|
bin | 100001011100011… |
… | …0110110110110011 |
3 | 2220012121201101102 |
4 | 1002320312312303 |
5 | 4244240413021 |
6 | 303204355015 |
7 | 36544360031 |
oct | 10270666663 |
9 | 2805551342 |
10 | 1122201011 |
11 | 5264a9258 |
12 | 2739a5a6b |
13 | 14b654b89 |
14 | a907b551 |
15 | 687be00b |
hex | 42e36db3 |
1122201011 has 4 divisors (see below), whose sum is σ = 1122370392. Its totient is φ = 1122031632.
The previous prime is 1122201007. The next prime is 1122201013. The reversal of 1122201011 is 1101022211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101022211 = 1171 ⋅940241.
It is a cyclic number.
It is not a de Polignac number, because 1122201011 - 22 = 1122201007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1122200983 and 1122201001.
It is not an unprimeable number, because it can be changed into a prime (1122201013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74330 + ... + 88143.
It is an arithmetic number, because the mean of its divisors is an integer number (280592598).
Almost surely, 21122201011 is an apocalyptic number.
1122201011 is a deficient number, since it is larger than the sum of its proper divisors (169381).
1122201011 is an equidigital number, since it uses as much as digits as its factorization.
1122201011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169380.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 1122201011 is about 33499.2688129159. The cubic root of 1122201011 is about 1039.1786571713.
Adding to 1122201011 its reverse (1101022211), we get a palindrome (2223223222).
The spelling of 1122201011 in words is "one billion, one hundred twenty-two million, two hundred one thousand, eleven".
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