Base | Representation |
---|---|
bin | 111000110111100001… |
… | …0111000100011100001 |
3 | 102200012220022000210121 |
4 | 1301233002320203201 |
5 | 4000101230024301 |
6 | 132034020400241 |
7 | 11552204550346 |
oct | 1615702704341 |
9 | 380186260717 |
10 | 122122111201 |
11 | 47878825732 |
12 | 1b802546081 |
13 | b692a4757c |
14 | 5ca710a7cd |
15 | 329b4393a1 |
hex | 1c6f0b88e1 |
122122111201 has 4 divisors (see below), whose sum is σ = 122507354772. Its totient is φ = 121736867632.
The previous prime is 122122111187. The next prime is 122122111219. The reversal of 122122111201 is 102111221221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6402400225 + 115719710976 = 80015^2 + 340176^2 .
It is a cyclic number.
It is not a de Polignac number, because 122122111201 - 219 = 122121586913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122122111291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192621310 + ... + 192621943.
It is an arithmetic number, because the mean of its divisors is an integer number (30626838693).
Almost surely, 2122122111201 is an apocalyptic number.
It is an amenable number.
122122111201 is a deficient number, since it is larger than the sum of its proper divisors (385243571).
122122111201 is an equidigital number, since it uses as much as digits as its factorization.
122122111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385243570.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 122122111201 its reverse (102111221221), we get a palindrome (224233332422).
The spelling of 122122111201 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".
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