Base | Representation |
---|---|
bin | 110010000100101000111001… |
… | …101100111000001111010111 |
3 | 1001212201221012120122102202101 |
4 | 302010220321230320033113 |
5 | 212331100324011413421 |
6 | 2100212104134222531 |
7 | 64246310451464302 |
oct | 6204507154701727 |
9 | 1055657176572671 |
10 | 220221121201111 |
11 | 64195286846598 |
12 | 208483b3ab4a47 |
13 | 95b59bb631404 |
14 | 3c54a8b105b39 |
15 | 1a6d6cb788191 |
hex | c84a39b383d7 |
220221121201111 has 16 divisors (see below), whose sum is σ = 220824613171008. Its totient is φ = 219618473472000.
The previous prime is 220221121201069. The next prime is 220221121201121. The reversal of 220221121201111 is 111102121122022.
It is a happy number.
220221121201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 220221121201111 - 217 = 220221121070039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220221121201121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5990599971 + ... + 5990636731.
It is an arithmetic number, because the mean of its divisors is an integer number (13801538323188).
Almost surely, 2220221121201111 is an apocalyptic number.
220221121201111 is a deficient number, since it is larger than the sum of its proper divisors (603491969897).
220221121201111 is a wasteful number, since it uses less digits than its factorization.
220221121201111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47802.
The product of its (nonzero) digits is 64, while the sum is 19.
Adding to 220221121201111 its reverse (111102121122022), we get a palindrome (331323242323133).
The spelling of 220221121201111 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, one hundred eleven".
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