Base | Representation |
---|---|
bin | 10100101101100111… |
… | …11110001110100101 |
3 | 1001200222111201000021 |
4 | 22112303332032211 |
5 | 140233224004341 |
6 | 5035235115141 |
7 | 542365432540 |
oct | 122663761645 |
9 | 31628451007 |
10 | 11120141221 |
11 | 4797036762 |
12 | 21a4142ab1 |
13 | 1082aa0927 |
14 | 776c25857 |
15 | 4513c19d1 |
hex | 296cfe3a5 |
11120141221 has 4 divisors (see below), whose sum is σ = 12708732832. Its totient is φ = 9531549612.
The previous prime is 11120141189. The next prime is 11120141239. The reversal of 11120141221 is 12214102111.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12214102111 = 47 ⋅259874513.
It is a cyclic number.
It is not a de Polignac number, because 11120141221 - 25 = 11120141189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11120141195 and 11120141204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11120541221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794295795 + ... + 794295808.
It is an arithmetic number, because the mean of its divisors is an integer number (3177183208).
Almost surely, 211120141221 is an apocalyptic number.
It is an amenable number.
11120141221 is a deficient number, since it is larger than the sum of its proper divisors (1588591611).
11120141221 is an equidigital number, since it uses as much as digits as its factorization.
11120141221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588591610.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 11120141221 its reverse (12214102111), we get a palindrome (23334243332).
The spelling of 11120141221 in words is "eleven billion, one hundred twenty million, one hundred forty-one thousand, two hundred twenty-one".
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