Base | Representation |
---|---|
bin | 11011100000111100010111… |
… | …101100100000111101101001 |
3 | 120212110112210200220021200012 |
4 | 123200330113230200331221 |
5 | 111330121213341010441 |
6 | 1105211422110421305 |
7 | 34326522615623555 |
oct | 3340742754407551 |
9 | 525415720807605 |
10 | 121011101110121 |
11 | 35615579907482 |
12 | 116a4918b01835 |
13 | 526a3b4561a11 |
14 | 21c4d7b986865 |
15 | decb9a77e9eb |
hex | 6e0f17b20f69 |
121011101110121 has 8 divisors (see below), whose sum is σ = 123564180045864. Its totient is φ = 118482221975040.
The previous prime is 121011101110111. The next prime is 121011101110127.
121011101110121 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 63829313955625 + 57181787154496 = 7989325^2 + 7561864^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121011101110121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121011101110096 and 121011101110105.
It is not an unprimeable number, because it can be changed into a prime (121011101110127) 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, 6049940060 + ... + 6049960061.
It is an arithmetic number, because the mean of its divisors is an integer number (15445522505733).
Almost surely, 2121011101110121 is an apocalyptic number.
It is an amenable number.
121011101110121 is a deficient number, since it is larger than the sum of its proper divisors (2553078935743).
121011101110121 is a wasteful number, since it uses less digits than its factorization.
121011101110121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12099900331.
The product of its (nonzero) digits is 4, while the sum is 14.
It can be divided in two parts, 12101110 and 1110121, that added together give a palindrome (13211231).
The spelling of 121011101110121 in words is "one hundred twenty-one trillion, eleven billion, one hundred one million, one hundred ten thousand, one hundred twenty-one".
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