Base | Representation |
---|---|
bin | 10001011111101001111… |
… | …010001001110000001011 |
3 | 11020221010210102112012022 |
4 | 101133221322021300023 |
5 | 124144121333224321 |
6 | 2320143051235055 |
7 | 152600065121015 |
oct | 21375172116013 |
9 | 4227123375168 |
10 | 1202220211211 |
11 | 423949a70698 |
12 | 174bb9148a8b |
13 | 894a4574956 |
14 | 4228b3471b5 |
15 | 21414a9adab |
hex | 117e9e89c0b |
1202220211211 has 4 divisors (see below), whose sum is σ = 1202345049024. Its totient is φ = 1202095373400.
The previous prime is 1202220211193. The next prime is 1202220211223. The reversal of 1202220211211 is 1121120222021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1202220211211 - 214 = 1202220194827 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1202220211211.
It is not an unprimeable number, because it can be changed into a prime (1202220201211) 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, 62404460 + ... + 62423721.
It is an arithmetic number, because the mean of its divisors is an integer number (300586262256).
Almost surely, 21202220211211 is an apocalyptic number.
1202220211211 is a deficient number, since it is larger than the sum of its proper divisors (124837813).
1202220211211 is an equidigital number, since it uses as much as digits as its factorization.
1202220211211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124837812.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1202220211211 its reverse (1121120222021), we get a palindrome (2323340433232).
The spelling of 1202220211211 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".
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