Base | Representation |
---|---|
bin | 11101011011001110100… |
… | …111001010010000000101 |
3 | 21011022101200210001001212 |
4 | 131123032213022100011 |
5 | 231112230324014341 |
6 | 4144535042101205 |
7 | 266043355625660 |
oct | 35331647122005 |
9 | 7138350701055 |
10 | 2022101001221 |
11 | 70a628332154 |
12 | 287a9164a805 |
13 | 1188b62ba7a2 |
14 | 6dc27c026d7 |
15 | 378ed40c5eb |
hex | 1d6ce9ca405 |
2022101001221 has 4 divisors (see below), whose sum is σ = 2310972572832. Its totient is φ = 1733229429612.
The previous prime is 2022101001211. The next prime is 2022101001227. The reversal of 2022101001221 is 1221001012202.
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-2022101001221 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2022101001196 and 2022101001205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2022101001227) 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, 144435785795 + ... + 144435785808.
It is an arithmetic number, because the mean of its divisors is an integer number (577743143208).
Almost surely, 22022101001221 is an apocalyptic number.
It is an amenable number.
2022101001221 is a deficient number, since it is larger than the sum of its proper divisors (288871571611).
2022101001221 is an equidigital number, since it uses as much as digits as its factorization.
2022101001221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288871571610.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2022101001221 its reverse (1221001012202), we get a palindrome (3243102013423).
The spelling of 2022101001221 in words is "two trillion, twenty-two billion, one hundred one million, one thousand, two hundred twenty-one".
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