Base | Representation |
---|---|
bin | 110100010000011100… |
… | …1001011100100101101 |
3 | 101201122212121222121220 |
4 | 1220200321023210231 |
5 | 3314312034311341 |
6 | 123315325413553 |
7 | 11051640563625 |
oct | 1504071134455 |
9 | 351585558556 |
10 | 112221010221 |
11 | 4365791aa51 |
12 | 198ba70a2b9 |
13 | a7756a6738 |
14 | 560816d885 |
15 | 2dbc0b4a66 |
hex | 1a20e4b92d |
112221010221 has 32 divisors (see below), whose sum is σ = 158386775040. Its totient is φ = 70479621504.
The previous prime is 112221010201. The next prime is 112221010241. The reversal of 112221010221 is 122010122211.
It is an interprime number because it is at equal distance from previous prime (112221010201) and next prime (112221010241).
It is not a de Polignac number, because 112221010221 - 213 = 112221002029 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 112221010221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112221010201) 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 31 ways as a sum of consecutive naturals, for example, 10925130 + ... + 10935396.
It is an arithmetic number, because the mean of its divisors is an integer number (4949586720).
Almost surely, 2112221010221 is an apocalyptic number.
It is an amenable number.
112221010221 is a deficient number, since it is larger than the sum of its proper divisors (46165764819).
112221010221 is a wasteful number, since it uses less digits than its factorization.
112221010221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11345.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 112221010221 its reverse (122010122211), we get a palindrome (234231132432).
The spelling of 112221010221 in words is "one hundred twelve billion, two hundred twenty-one million, ten thousand, two hundred twenty-one".
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