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201223321001 = 3115401421471
BaseRepresentation
bin1011101101100111011…
…0000011010110101001
3201020101121011211102122
42323121312003112221
511244101132233001
6232235110041025
720352334002353
oct2733166032651
9636347154378
10201223321001
117837a35639a
1232bb9349175
1315c8a8ba561
149a4c7620d3
15537aa69b1b
hex2ed9d835a9

201223321001 has 8 divisors (see below), whose sum is σ = 207728375808. Its totient is φ = 194719140000.

The previous prime is 201223320979. The next prime is 201223321021. The reversal of 201223321001 is 100123322102.

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 201223321001 - 230 = 200149579177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201223321021) 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, 266696 + ... + 688166.

It is an arithmetic number, because the mean of its divisors is an integer number (25966046976).

Almost surely, 2201223321001 is an apocalyptic number.

It is an amenable number.

201223321001 is a deficient number, since it is larger than the sum of its proper divisors (6505054807).

201223321001 is a wasteful number, since it uses less digits than its factorization.

201223321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436903.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201223321001 its reverse (100123322102), we get a palindrome (301346643103).

The spelling of 201223321001 in words is "two hundred one billion, two hundred twenty-three million, three hundred twenty-one thousand, one".

Divisors: 1 31 15401 421471 477431 13065601 6491074871 201223321001