Base | Representation |
---|---|
bin | 111000111001111000… |
… | …0001111011011001101 |
3 | 102200102101221121002020 |
4 | 1301303300033123031 |
5 | 4000231441011341 |
6 | 132045521520353 |
7 | 11554154204241 |
oct | 1616360173315 |
9 | 380371847066 |
10 | 122201110221 |
11 | 47909382883 |
12 | 1b824aa30b9 |
13 | b6a6217158 |
14 | 5cb37d2421 |
15 | 32a3341566 |
hex | 1c73c0f6cd |
122201110221 has 8 divisors (see below), whose sum is σ = 163297699200. Its totient is φ = 81285964032.
The previous prime is 122201110211. The next prime is 122201110231. The reversal of 122201110221 is 122011102221.
It is an interprime number because it is at equal distance from previous prime (122201110211) and next prime (122201110231).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122201110221 - 223 = 122192721613 is a prime.
It is a super-2 number, since 2×1222011102212 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 122201110221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122201110211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45359125 + ... + 45361818.
It is an arithmetic number, because the mean of its divisors is an integer number (20412212400).
Almost surely, 2122201110221 is an apocalyptic number.
It is an amenable number.
122201110221 is a deficient number, since it is larger than the sum of its proper divisors (41096588979).
122201110221 is an equidigital number, since it uses as much as digits as its factorization.
122201110221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90721395.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122201110221 its reverse (122011102221), we get a palindrome (244212212442).
It can be divided in two parts, 1 and 22201110221, that added together give a palindrome (22201110222).
The spelling of 122201110221 in words is "one hundred twenty-two billion, two hundred one million, one hundred ten thousand, two hundred twenty-one".
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