Base | Representation |
---|---|
bin | 10001110010000100111… |
… | …100010011000010100001 |
3 | 11022211012100200100201212 |
4 | 101302010330103002201 |
5 | 130010124241024301 |
6 | 2333213552435505 |
7 | 154200220030253 |
oct | 21620474230241 |
9 | 4284170610655 |
10 | 1222001111201 |
11 | 43127a851622 |
12 | 1789b9848b95 |
13 | 8b3077386c0 |
14 | 432064b7cd3 |
15 | 21bc14884bb |
hex | 11c84f130a1 |
1222001111201 has 8 divisors (see below), whose sum is σ = 1316018297664. Its totient is φ = 1127986367760.
The previous prime is 1222001111171. The next prime is 1222001111249. The reversal of 1222001111201 is 1021111002221.
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 1222001111201 - 238 = 947123204257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222001111291) 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, 503420 + ... + 1642386.
It is an arithmetic number, because the mean of its divisors is an integer number (164502287208).
Almost surely, 21222001111201 is an apocalyptic number.
It is an amenable number.
1222001111201 is a deficient number, since it is larger than the sum of its proper divisors (94017186463).
1222001111201 is a wasteful number, since it uses less digits than its factorization.
1222001111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1221511.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1222001111201 its reverse (1021111002221), we get a palindrome (2243112113422).
The spelling of 1222001111201 in words is "one trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, two hundred one".
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