Base | Representation |
---|---|
bin | 100000001100010010101… |
… | …101101001000110000011 |
3 | 21211111010120012011101011 |
4 | 200030102231221012003 |
5 | 242221112330042011 |
6 | 4412140353221351 |
7 | 315553632460033 |
oct | 40142255510603 |
9 | 7744116164334 |
10 | 2212222112131 |
11 | 78321a7897a9 |
12 | 2b88b0861857 |
13 | 1307c4a44c55 |
14 | 79101c898c3 |
15 | 3c829448621 |
hex | 20312b69183 |
2212222112131 has 2 divisors, whose sum is σ = 2212222112132. Its totient is φ = 2212222112130.
The previous prime is 2212222112083. The next prime is 2212222112171. The reversal of 2212222112131 is 1312112222122.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2212222112131 is a prime.
It is a super-2 number, since 2×22122221121312 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2212222112171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106111056065 + 1106111056066.
It is an arithmetic number, because the mean of its divisors is an integer number (1106111056066).
Almost surely, 22212222112131 is an apocalyptic number.
2212222112131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2212222112131 is an equidigital number, since it uses as much as digits as its factorization.
2212222112131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384, while the sum is 22.
Adding to 2212222112131 its reverse (1312112222122), we get a palindrome (3524334334253).
The spelling of 2212222112131 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred thirty-one".
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