Base | Representation |
---|---|
bin | 100000010101011010110… |
… | …001011110001010110101 |
3 | 21212102102110112202101012 |
4 | 200111122301132022311 |
5 | 242401144334310401 |
6 | 4420440553442005 |
7 | 316351515644504 |
oct | 40253261361265 |
9 | 7772373482335 |
10 | 2222021010101 |
11 | 787398a28892 |
12 | 2ba786410305 |
13 | 1316c6b80629 |
14 | 7979142083b |
15 | 3cbee8308bb |
hex | 2055ac5e2b5 |
2222021010101 has 4 divisors (see below), whose sum is σ = 2224595774592. Its totient is φ = 2219446245612.
The previous prime is 2222021010037. The next prime is 2222021010103. The reversal of 2222021010101 is 1010101202222.
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 not a de Polignac number, because 2222021010101 - 26 = 2222021010037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222021010103) 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, 1287380951 + ... + 1287382676.
It is an arithmetic number, because the mean of its divisors is an integer number (556148943648).
Almost surely, 22222021010101 is an apocalyptic number.
It is an amenable number.
2222021010101 is a deficient number, since it is larger than the sum of its proper divisors (2574764491).
2222021010101 is an equidigital number, since it uses as much as digits as its factorization.
2222021010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2574764490.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 2222021010101 its reverse (1010101202222), we get a palindrome (3232122212323).
The spelling of 2222021010101 in words is "two trillion, two hundred twenty-two billion, twenty-one million, ten thousand, one hundred one".
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