Base | Representation |
---|---|
bin | 110010010001101110001001… |
… | …001000100000110101011001 |
3 | 1001222220212122002122020220020 |
4 | 302101232021020200311121 |
5 | 212440312432103311301 |
6 | 2102141101133021053 |
7 | 64401254155334622 |
oct | 6221561110406531 |
9 | 1058825562566806 |
10 | 221120102010201 |
11 | 64501565aa5149 |
12 | 20972682924789 |
13 | 964c6c7bc1274 |
14 | 3c863acdc6a49 |
15 | 1a86c94592436 |
hex | c91b89220d59 |
221120102010201 has 32 divisors (see below), whose sum is σ = 307656520421376. Its totient is φ = 141148641744000.
The previous prime is 221120102010179. The next prime is 221120102010211. The reversal of 221120102010201 is 102010201021122.
It is not a de Polignac number, because 221120102010201 - 29 = 221120102009689 is a prime.
It is a super-2 number, since 2×2211201020102012 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (221120102010211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47271685 + ... + 51738306.
It is an arithmetic number, because the mean of its divisors is an integer number (9614266263168).
Almost surely, 2221120102010201 is an apocalyptic number.
It is an amenable number.
221120102010201 is a deficient number, since it is larger than the sum of its proper divisors (86536418411175).
221120102010201 is a wasteful number, since it uses less digits than its factorization.
221120102010201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99010373.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 221120102010201 its reverse (102010201021122), we get a palindrome (323130303031323).
The spelling of 221120102010201 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred two million, ten thousand, two hundred one".
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