Base | Representation |
---|---|
bin | 11011100010100001110011… |
… | …110001001001110010101001 |
3 | 120212211221221110000210111120 |
4 | 123202201303301021302221 |
5 | 111333412300110342301 |
6 | 1105333434040445453 |
7 | 34340430002205210 |
oct | 3342416361116251 |
9 | 525757843023446 |
10 | 121120020012201 |
11 | 35657791782731 |
12 | 11701a55779889 |
13 | 5277751a986c2 |
14 | 21ca35134c077 |
15 | e009229c6e36 |
hex | 6e2873c49ca9 |
121120020012201 has 16 divisors (see below), whose sum is σ = 194277726336000. Its totient is φ = 65568732637968.
The previous prime is 121120020012193. The next prime is 121120020012203. The reversal of 121120020012201 is 102210020021121.
It is not a de Polignac number, because 121120020012201 - 23 = 121120020012193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121120020012203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151779473301 + ... + 151779474098.
It is an arithmetic number, because the mean of its divisors is an integer number (12142357896000).
Almost surely, 2121120020012201 is an apocalyptic number.
It is an amenable number.
121120020012201 is a deficient number, since it is larger than the sum of its proper divisors (73157706323799).
121120020012201 is a wasteful number, since it uses less digits than its factorization.
121120020012201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303558947428.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121120020012201 its reverse (102210020021121), we get a palindrome (223330040033322).
The spelling of 121120020012201 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty million, twelve thousand, two hundred one".
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