Base | Representation |
---|---|
bin | 11011110010100010010101… |
… | …110101001101111111110001 |
3 | 121000202010110010111102221211 |
4 | 123302202111311031333301 |
5 | 112004423232400143441 |
6 | 1111535050143520121 |
7 | 34513053043346032 |
oct | 3362422565157761 |
9 | 530663403442854 |
10 | 122220103131121 |
11 | 35a41288a45146 |
12 | 1185b0a92b9041 |
13 | 53273c9b56868 |
14 | 22276ad890a89 |
15 | e1e35a8e5a81 |
hex | 6f2895d4dff1 |
122220103131121 has 4 divisors (see below), whose sum is σ = 122229038016000. Its totient is φ = 122211168246244.
The previous prime is 122220103131103. The next prime is 122220103131167. The reversal of 122220103131121 is 121131301022221.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122220103131121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122220103131092 and 122220103131101.
It is not an unprimeable number, because it can be changed into a prime (122220103135121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467421921 + ... + 4467449278.
It is an arithmetic number, because the mean of its divisors is an integer number (30557259504000).
Almost surely, 2122220103131121 is an apocalyptic number.
It is an amenable number.
122220103131121 is a deficient number, since it is larger than the sum of its proper divisors (8934884879).
122220103131121 is an equidigital number, since it uses as much as digits as its factorization.
122220103131121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8934884878.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 122220103131121 its reverse (121131301022221), we get a palindrome (243351404153342).
The spelling of 122220103131121 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred three million, one hundred thirty-one thousand, one hundred twenty-one".
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