Base | Representation |
---|---|
bin | 11011100010010000010010… |
… | …101110101010100110001001 |
3 | 120212210011101200121220122212 |
4 | 123202100102232222212021 |
5 | 111333110240244213001 |
6 | 1105321043453554505 |
7 | 34336162633456646 |
oct | 3342202256524611 |
9 | 525704350556585 |
10 | 121101212101001 |
11 | 3564a810146670 |
12 | 116ba286aa5a35 |
13 | 5275a45375372 |
14 | 21c94894d6dcd |
15 | e001c17327bb |
hex | 6e2412baa989 |
121101212101001 has 8 divisors (see below), whose sum is σ = 132178757980224. Its totient is φ = 110035057018320.
The previous prime is 121101212100937. The next prime is 121101212101039. The reversal of 121101212101001 is 100101212101121.
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 121101212101001 - 26 = 121101212100937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121101212101081) 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, 2847676901 + ... + 2847719426.
It is an arithmetic number, because the mean of its divisors is an integer number (16522344747528).
Almost surely, 2121101212101001 is an apocalyptic number.
121101212101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121101212101001 is a deficient number, since it is larger than the sum of its proper divisors (11077545879223).
121101212101001 is a wasteful number, since it uses less digits than its factorization.
121101212101001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5695398271.
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 121101212101001 its reverse (100101212101121), we get a palindrome (221202424202122).
The spelling of 121101212101001 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twelve million, one hundred one thousand, one".
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