Base | Representation |
---|---|
bin | 101111001000100111… |
… | …1111001000111010011 |
3 | 100200021021101011120102 |
4 | 1132101033321013103 |
5 | 3124300101011402 |
6 | 114300023403015 |
7 | 10212232145426 |
oct | 1362117710723 |
9 | 320237334512 |
10 | 101221110227 |
11 | 39a22750306 |
12 | 1774a8b346b |
13 | 97117b5783 |
14 | 4c832c79bd |
15 | 2976545102 |
hex | 17913f91d3 |
101221110227 has 2 divisors, whose sum is σ = 101221110228. Its totient is φ = 101221110226.
The previous prime is 101221110217. The next prime is 101221110229. The reversal of 101221110227 is 722011122101.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 101221110227 - 26 = 101221110163 is a prime.
Together with 101221110229, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 101221110199 and 101221110208.
It is not a weakly prime, because it can be changed into another prime (101221110229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610555113 + 50610555114.
It is an arithmetic number, because the mean of its divisors is an integer number (50610555114).
Almost surely, 2101221110227 is an apocalyptic number.
101221110227 is a deficient number, since it is larger than the sum of its proper divisors (1).
101221110227 is an equidigital number, since it uses as much as digits as its factorization.
101221110227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112, while the sum is 20.
Adding to 101221110227 its reverse (722011122101), we get a palindrome (823232232328).
The spelling of 101221110227 in words is "one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-seven".
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