Base | Representation |
---|---|
bin | 1011000000011011111010… |
… | …1100001000000001111101 |
3 | 1120211221200200211212012121 |
4 | 2300012332230020001331 |
5 | 3041240121230023401 |
6 | 41423345501202541 |
7 | 2356230603435601 |
oct | 260067654100175 |
9 | 46757620755177 |
10 | 12102122111101 |
11 | 3946532480430 |
12 | 1435580260451 |
13 | 69a2c0a5c469 |
14 | 2dba62803501 |
15 | 15ec0d5ddca1 |
hex | b01beb0807d |
12102122111101 has 8 divisors (see below), whose sum is σ = 13202574293664. Its totient is φ = 11001713139120.
The previous prime is 12102122111087. The next prime is 12102122111141. The reversal of 12102122111101 is 10111122120121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12102122111101 - 27 = 12102122110973 is a prime.
It is a super-2 number, since 2×121021221111012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102122111141) 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, 10215646 + ... + 11338591.
It is an arithmetic number, because the mean of its divisors is an integer number (1650321786708).
Almost surely, 212102122111101 is an apocalyptic number.
12102122111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12102122111101 is a deficient number, since it is larger than the sum of its proper divisors (1100452182563).
12102122111101 is a wasteful number, since it uses less digits than its factorization.
12102122111101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21605291.
The product of its (nonzero) digits is 16, while the sum is 16.
Adding to 12102122111101 its reverse (10111122120121), we get a palindrome (22213244231222).
The spelling of 12102122111101 in words is "twelve trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, one hundred one".
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