Base | Representation |
---|---|
bin | 10111001111100001101011… |
… | …010000011000011010100101 |
3 | 111101221022220102000220122201 |
4 | 113033201223100120122211 |
5 | 101344301144400214341 |
6 | 1001224052002254501 |
7 | 30350203655646520 |
oct | 2717415320303245 |
9 | 441838812026581 |
10 | 102222021101221 |
11 | 2a63112aa9746a |
12 | b56b390057431 |
13 | 4506659028b98 |
14 | 1b35802257bb7 |
15 | bc406911c331 |
hex | 5cf86b4186a5 |
102222021101221 has 8 divisors (see below), whose sum is σ = 117159909574400. Its totient is φ = 87367818278448.
The previous prime is 102222021101153. The next prime is 102222021101267. The reversal of 102222021101221 is 122101120222201.
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 102222021101221 - 211 = 102222021099173 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102222021101621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20921409981 + ... + 20921414866.
It is an arithmetic number, because the mean of its divisors is an integer number (14644988696800).
Almost surely, 2102222021101221 is an apocalyptic number.
It is an amenable number.
102222021101221 is a deficient number, since it is larger than the sum of its proper divisors (14937888473179).
102222021101221 is an equidigital number, since it uses as much as digits as its factorization.
102222021101221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41842825203.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 102222021101221 its reverse (122101120222201), we get a palindrome (224323141323422).
The spelling of 102222021101221 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, two hundred twenty-one".
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