Base | Representation |
---|---|
bin | 10001110000010100010… |
… | …110101011010110100111 |
3 | 11022122022201100210020111 |
4 | 101300110112223112213 |
5 | 124442242210414002 |
6 | 2332302314513451 |
7 | 154102342406641 |
oct | 21602426532647 |
9 | 4278281323214 |
10 | 1220112201127 |
11 | 4304a0590516 |
12 | 178571135887 |
13 | 8b0962b8831 |
14 | 430a7699891 |
15 | 21b1071b3d7 |
hex | 11c145ab5a7 |
1220112201127 has 2 divisors, whose sum is σ = 1220112201128. Its totient is φ = 1220112201126.
The previous prime is 1220112201097. The next prime is 1220112201163. The reversal of 1220112201127 is 7211022110221.
It is a weak prime.
It is an emirp because it is prime and its reverse (7211022110221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1220112201127 - 223 = 1220103812519 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1220112201098 and 1220112201107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1220112201827) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056100563 + 610056100564.
It is an arithmetic number, because the mean of its divisors is an integer number (610056100564).
Almost surely, 21220112201127 is an apocalyptic number.
1220112201127 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220112201127 is an equidigital number, since it uses as much as digits as its factorization.
1220112201127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 22.
Adding to 1220112201127 its reverse (7211022110221), we get a palindrome (8431134311348).
The spelling of 1220112201127 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred one thousand, one hundred twenty-seven".
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