Base | Representation |
---|---|
bin | 111000011100000110… |
… | …1101111010011011011 |
3 | 102120211210100012121011 |
4 | 1300320031233103123 |
5 | 3441210231210021 |
6 | 131402435554351 |
7 | 11520334533601 |
oct | 1607015572333 |
9 | 376753305534 |
10 | 121202210011 |
11 | 47446540313 |
12 | 1b5a645b9b7 |
13 | b5772a373c |
14 | 5c1ac8d871 |
15 | 32457cade1 |
hex | 1c3836f4db |
121202210011 has 2 divisors, whose sum is σ = 121202210012. Its totient is φ = 121202210010.
The previous prime is 121202210009. The next prime is 121202210023. The reversal of 121202210011 is 110012202121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 121202210011 - 21 = 121202210009 is a prime.
Together with 121202210009, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 121202209973 and 121202210000.
It is not a weakly prime, because it can be changed into another prime (121202210111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601105005 + 60601105006.
It is an arithmetic number, because the mean of its divisors is an integer number (60601105006).
Almost surely, 2121202210011 is an apocalyptic number.
121202210011 is a deficient number, since it is larger than the sum of its proper divisors (1).
121202210011 is an equidigital number, since it uses as much as digits as its factorization.
121202210011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 121202210011 its reverse (110012202121), we get a palindrome (231214412132).
The spelling of 121202210011 in words is "one hundred twenty-one billion, two hundred two million, two hundred ten thousand, eleven".
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