Base | Representation |
---|---|
bin | 100000010101100110000… |
… | …110101001110001010101 |
3 | 21212102220201020221012001 |
4 | 200111212012221301111 |
5 | 242402042021041041 |
6 | 4420511504155301 |
7 | 316356314535505 |
oct | 40254606516125 |
9 | 7772821227161 |
10 | 2222211112021 |
11 | 78748627020a |
12 | 2ba81a008b31 |
13 | 131727380584 |
14 | 797ac787a05 |
15 | 3cc11382131 |
hex | 205661a9c55 |
2222211112021 has 8 divisors (see below), whose sum is σ = 2296922853600. Its totient is φ = 2148734275440.
The previous prime is 2222211112007. The next prime is 2222211112027. The reversal of 2222211112021 is 1202111122222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2222211112021 - 223 = 2222202723413 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 2222211112021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222211112027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308722591 + ... + 308729788.
It is an arithmetic number, because the mean of its divisors is an integer number (287115356700).
Almost surely, 22222211112021 is an apocalyptic number.
It is an amenable number.
2222211112021 is a deficient number, since it is larger than the sum of its proper divisors (74711741579).
2222211112021 is an equidigital number, since it uses as much as digits as its factorization.
2222211112021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617452499.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 2222211112021 its reverse (1202111122222), we get a palindrome (3424322234243).
The spelling of 2222211112021 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, twenty-one".
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