Base | Representation |
---|---|
bin | 11110100100111001010… |
… | …010010001101101110011 |
3 | 21102212120020200121012202 |
4 | 132210321102101231303 |
5 | 233411224211201321 |
6 | 4245140014213415 |
7 | 304543461110012 |
oct | 36447122215563 |
9 | 7385506617182 |
10 | 2101200100211 |
11 | 740128750a43 |
12 | 29b2877b426b |
13 | 1231b08a1a84 |
14 | 739ad068a79 |
15 | 399cc77270b |
hex | 1e939491b73 |
2101200100211 has 2 divisors, whose sum is σ = 2101200100212. Its totient is φ = 2101200100210.
The previous prime is 2101200100157. The next prime is 2101200100213. The reversal of 2101200100211 is 1120010021012.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2101200100211 is a prime.
It is a super-2 number, since 2×21012001002112 (a number of 25 digits) contains 22 as substring.
Together with 2101200100213, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 2101200100192 and 2101200100201.
It is not a weakly prime, because it can be changed into another prime (2101200100213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600050105 + 1050600050106.
It is an arithmetic number, because the mean of its divisors is an integer number (1050600050106).
Almost surely, 22101200100211 is an apocalyptic number.
2101200100211 is a deficient number, since it is larger than the sum of its proper divisors (1).
2101200100211 is an equidigital number, since it uses as much as digits as its factorization.
2101200100211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 2101200100211 its reverse (1120010021012), we get a palindrome (3221210121223).
The spelling of 2101200100211 in words is "two trillion, one hundred one billion, two hundred million, one hundred thousand, two hundred eleven".
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