Base | Representation |
---|---|
bin | 1100110111101010110… |
… | …1111101100101110001 |
3 | 210010200222210120112212 |
4 | 3031322231331211301 |
5 | 12110304130414301 |
6 | 245323431301505 |
7 | 21655055462330 |
oct | 3157255754561 |
9 | 703628716485 |
10 | 221102201201 |
11 | 85850479302 |
12 | 36a2681a895 |
13 | 17b0816866b |
14 | a9b6919d17 |
15 | 5b40d5d4bb |
hex | 337ab7d971 |
221102201201 has 8 divisors (see below), whose sum is σ = 260839463424. Its totient is φ = 183402747360.
The previous prime is 221102201197. The next prime is 221102201207. The reversal of 221102201201 is 102102201122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 221102201201 - 22 = 221102201197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221102201207) 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, 509451860 + ... + 509452293.
It is an arithmetic number, because the mean of its divisors is an integer number (32604932928).
Almost surely, 2221102201201 is an apocalyptic number.
It is an amenable number.
221102201201 is a deficient number, since it is larger than the sum of its proper divisors (39737262223).
221102201201 is a wasteful number, since it uses less digits than its factorization.
221102201201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018904191.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 221102201201 its reverse (102102201122), we get a palindrome (323204402323).
The spelling of 221102201201 in words is "two hundred twenty-one billion, one hundred two million, two hundred one thousand, two hundred one".
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