Base | Representation |
---|---|
bin | 100000010101100000101… |
… | …111010010001101011111 |
3 | 21212102200102212212002012 |
4 | 200111200233102031133 |
5 | 242401401000201002 |
6 | 4420454531021435 |
7 | 316354142463245 |
oct | 40254057221537 |
9 | 7772612785065 |
10 | 2222121100127 |
11 | 78743a480a15 |
12 | 2ba7b3a3a87b |
13 | 1317118260b6 |
14 | 797a0836795 |
15 | 3cc08501d52 |
hex | 20560bd235f |
2222121100127 has 2 divisors, whose sum is σ = 2222121100128. Its totient is φ = 2222121100126.
The previous prime is 2222121100097. The next prime is 2222121100153. The reversal of 2222121100127 is 7210011212222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2222121100127 - 26 = 2222121100063 is a prime.
It is a super-2 number, since 2×22221211001272 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2222121300127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111060550063 + 1111060550064.
It is an arithmetic number, because the mean of its divisors is an integer number (1111060550064).
Almost surely, 22222121100127 is an apocalyptic number.
2222121100127 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222121100127 is an equidigital number, since it uses as much as digits as its factorization.
2222121100127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 23.
Adding to 2222121100127 its reverse (7210011212222), we get a palindrome (9432132312349).
The spelling of 2222121100127 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, one hundred twenty-seven".
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