Base | Representation |
---|---|
bin | 110100001101011111… |
… | …1110111110111100101 |
3 | 101201101222111212222121 |
4 | 1220122333313313211 |
5 | 3314111224214341 |
6 | 123301433425541 |
7 | 11046330064324 |
oct | 1503277676745 |
9 | 351358455877 |
10 | 112122101221 |
11 | 43607004179 |
12 | 1989156b2b1 |
13 | a75b0556c0 |
14 | 55d8d840bb |
15 | 2db35784d1 |
hex | 1a1aff7de5 |
112122101221 has 8 divisors (see below), whose sum is σ = 120750094080. Its totient is φ = 103494567792.
The previous prime is 112122101219. The next prime is 112122101243. The reversal of 112122101221 is 122101221211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 112122101221 - 21 = 112122101219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 112122101195 and 112122101204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112122101521) 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, 523416 + ... + 705838.
It is an arithmetic number, because the mean of its divisors is an integer number (15093761760).
Almost surely, 2112122101221 is an apocalyptic number.
It is an amenable number.
112122101221 is a deficient number, since it is larger than the sum of its proper divisors (8627992859).
112122101221 is a wasteful number, since it uses less digits than its factorization.
112122101221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229715.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 112122101221 its reverse (122101221211), we get a palindrome (234223322432).
The spelling of 112122101221 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-one".
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