Base | Representation |
---|---|
bin | 100000001011001011001… |
… | …100011010111101001011 |
3 | 21211101000221101101100202 |
4 | 200023023030122331023 |
5 | 242211133142034011 |
6 | 4411421331322415 |
7 | 315512122534403 |
oct | 40131314327513 |
9 | 7741027341322 |
10 | 2211022221131 |
11 | 782764447949 |
12 | 2b8616a5040b |
13 | 13066328b289 |
14 | 7902a787803 |
15 | 3c7a8e3023b |
hex | 202cb31af4b |
2211022221131 has 2 divisors, whose sum is σ = 2211022221132. Its totient is φ = 2211022221130.
The previous prime is 2211022221119. The next prime is 2211022221157. The reversal of 2211022221131 is 1311222201122.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2211022221131 - 218 = 2211021958987 is a prime.
It is a super-2 number, since 2×22110222211312 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2211022220131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105511110565 + 1105511110566.
It is an arithmetic number, because the mean of its divisors is an integer number (1105511110566).
Almost surely, 22211022221131 is an apocalyptic number.
2211022221131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2211022221131 is an equidigital number, since it uses as much as digits as its factorization.
2211022221131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 2211022221131 its reverse (1311222201122), we get a palindrome (3522244422253).
The spelling of 2211022221131 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-one thousand, one hundred thirty-one".
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