Base | Representation |
---|---|
bin | 10000000001011111111… |
… | …111110110000111010101 |
3 | 10220021012002200102202111 |
4 | 100001133333312013111 |
5 | 121020044240400041 |
6 | 2201503142111021 |
7 | 142360556161504 |
oct | 20013777660725 |
9 | 3807162612674 |
10 | 1101122200021 |
11 | 394a8a859528 |
12 | 1594a371b471 |
13 | 7cab242c85c |
14 | 3b41a54483b |
15 | 1d99926e981 |
hex | 1005fff61d5 |
1101122200021 has 2 divisors, whose sum is σ = 1101122200022. Its totient is φ = 1101122200020.
The previous prime is 1101122200007. The next prime is 1101122200033. The reversal of 1101122200021 is 1200022211011.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 737168202225 + 363953997796 = 858585^2 + 603286^2 .
It is a cyclic number.
It is not a de Polignac number, because 1101122200021 - 29 = 1101122199509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1101122199974 and 1101122200010.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1101122200001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550561100010 + 550561100011.
It is an arithmetic number, because the mean of its divisors is an integer number (550561100011).
Almost surely, 21101122200021 is an apocalyptic number.
It is an amenable number.
1101122200021 is a deficient number, since it is larger than the sum of its proper divisors (1).
1101122200021 is an equidigital number, since it uses as much as digits as its factorization.
1101122200021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1101122200021 its reverse (1200022211011), we get a palindrome (2301144411032).
The spelling of 1101122200021 in words is "one trillion, one hundred one billion, one hundred twenty-two million, two hundred thousand, twenty-one".
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