Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …001011011000111001011 |
3 | 11022211110022200022101122 |
4 | 101302022321123013023 |
5 | 130010330330134011 |
6 | 2333231522105455 |
7 | 154202542165664 |
oct | 21621271330713 |
9 | 4284408608348 |
10 | 1222101021131 |
11 | 431321191411 |
12 | 178a271ab28b |
13 | 8b32234a1c3 |
14 | 4321588436b |
15 | 21bca1213db |
hex | 11c8ae5b1cb |
1222101021131 has 2 divisors, whose sum is σ = 1222101021132. Its totient is φ = 1222101021130.
The previous prime is 1222101021101. The next prime is 1222101021217. The reversal of 1222101021131 is 1311201012221.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1222101021131 - 218 = 1222100758987 is a prime.
It is a super-2 number, since 2×12221010211312 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1222101021101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050510565 + 611050510566.
It is an arithmetic number, because the mean of its divisors is an integer number (611050510566).
Almost surely, 21222101021131 is an apocalyptic number.
1222101021131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222101021131 is an equidigital number, since it uses as much as digits as its factorization.
1222101021131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 1222101021131 its reverse (1311201012221), we get a palindrome (2533302033352).
The spelling of 1222101021131 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, one hundred thirty-one".
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