Base | Representation |
---|---|
bin | 110010000011000010010111… |
… | …001101111100010110111001 |
3 | 1001212100102000111200201110112 |
4 | 302003002113031330112321 |
5 | 212322244332334000441 |
6 | 2100045335044554105 |
7 | 64235332202303546 |
oct | 6203022715742671 |
9 | 1055312014621415 |
10 | 220111021000121 |
11 | 64152618087a49 |
12 | 2082aba76b2935 |
13 | 95a84c34503a4 |
14 | 3c4d6048bbbcd |
15 | 1a6a8d599b4eb |
hex | c8309737c5b9 |
220111021000121 has 2 divisors, whose sum is σ = 220111021000122. Its totient is φ = 220111021000120.
The previous prime is 220111021000109. The next prime is 220111021000147. The reversal of 220111021000121 is 121000120111022.
220111021000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 121077892531600 + 99033128468521 = 11003540^2 + 9951539^2 .
It is a cyclic number.
It is not a de Polignac number, because 220111021000121 - 230 = 220109947258297 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220111021000096 and 220111021000105.
It is not a weakly prime, because it can be changed into another prime (220111021000181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055510500060 + 110055510500061.
It is an arithmetic number, because the mean of its divisors is an integer number (110055510500061).
Almost surely, 2220111021000121 is an apocalyptic number.
It is an amenable number.
220111021000121 is a deficient number, since it is larger than the sum of its proper divisors (1).
220111021000121 is an equidigital number, since it uses as much as digits as its factorization.
220111021000121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 220111021000121 its reverse (121000120111022), we get a palindrome (341111141111143).
The spelling of 220111021000121 in words is "two hundred twenty trillion, one hundred eleven billion, twenty-one million, one hundred twenty-one", and thus it is an aban number.
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