Base | Representation |
---|---|
bin | 110000000000001101111100… |
… | …001100111110101100101001 |
3 | 1000200111222201111202020202001 |
4 | 300000031330030332230221 |
5 | 210133002210002242301 |
6 | 2025003424011411001 |
7 | 62320001115021010 |
oct | 6000157414765451 |
9 | 1020458644666661 |
10 | 211121201212201 |
11 | 612a6aa9190935 |
12 | 1b818853153a61 |
13 | 90a584a6c7437 |
14 | 3a1c46bc69a77 |
15 | 1961b30dc8c01 |
hex | c0037c33eb29 |
211121201212201 has 8 divisors (see below), whose sum is σ = 255474394744320. Its totient is φ = 170316263162688.
The previous prime is 211121201212151. The next prime is 211121201212213. The reversal of 211121201212201 is 102212102121112.
It is a happy number.
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 211121201212201 - 215 = 211121201179433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (211121201212231) 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, 887063870521 + ... + 887063870758.
It is an arithmetic number, because the mean of its divisors is an integer number (31934299343040).
Almost surely, 2211121201212201 is an apocalyptic number.
It is an amenable number.
211121201212201 is a deficient number, since it is larger than the sum of its proper divisors (44353193532119).
211121201212201 is a wasteful number, since it uses less digits than its factorization.
211121201212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1774127741303.
The product of its (nonzero) digits is 64, while the sum is 19.
Adding to 211121201212201 its reverse (102212102121112), we get a palindrome (313333303333313).
The spelling of 211121201212201 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, two hundred one".
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