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1002201210221 = 2767459178893
BaseRepresentation
bin11101001010101111101…
…10001101110101101101
310112210212010101111020112
432211113312031311231
5112410002002211341
62044223242025405
7132256323505361
oct16452766156555
93483763344215
101002201210221
113570385017a2
121422971a8265
1373679331cb3
143671491b2a1
151b109b21aeb
hexe957d8dd6d

1002201210221 has 8 divisors (see below), whose sum is σ = 1002794494464. Its totient is φ = 1001608098480.

The previous prime is 1002201210191. The next prime is 1002201210233. The reversal of 1002201210221 is 1220121022001.

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 1002201210221 - 222 = 1002197015917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002201210196 and 1002201210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002201290221) 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, 12663851 + ... + 12742743.

It is an arithmetic number, because the mean of its divisors is an integer number (125349311808).

Almost surely, 21002201210221 is an apocalyptic number.

It is an amenable number.

1002201210221 is a deficient number, since it is larger than the sum of its proper divisors (593284243).

1002201210221 is an equidigital number, since it uses as much as digits as its factorization.

1002201210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86251.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002201210221 its reverse (1220121022001), we get a palindrome (2222322232222).

The spelling of 1002201210221 in words is "one trillion, two billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 2767 4591 78893 12703297 218296931 362197763 1002201210221