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221122020202201 = 1715077986266507
BaseRepresentation
bin110010010001101111111011…
…011101110101011011011001
31001222221001120210001111122101
4302101233323131311123121
5212440330344132432301
62102142015334323401
764401352536603256
oct6221577335653331
91058831523044571
10221122020202201
116450235a846198
1220972b191b9561
13964c942424311
143c86511a6842d
151a86d57b95701
hexc91bfb7756d9

221122020202201 has 8 divisors (see below), whose sum is σ = 234130753372320. Its totient is φ = 208113459866688.

The previous prime is 221122020202093. The next prime is 221122020202289. The reversal of 221122020202201 is 102202020221122.

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 221122020202201 - 215 = 221122020169433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122020209201) 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, 40570011 + ... + 45696496.

It is an arithmetic number, because the mean of its divisors is an integer number (29266344171540).

Almost surely, 2221122020202201 is an apocalyptic number.

It is an amenable number.

221122020202201 is a deficient number, since it is larger than the sum of its proper divisors (13008733170119).

221122020202201 is a wasteful number, since it uses less digits than its factorization.

221122020202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86417303.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221122020202201 its reverse (102202020221122), we get a palindrome (323324040423323).

The spelling of 221122020202201 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twenty million, two hundred two thousand, two hundred one".

Divisors: 1 17 150779 2563243 86266507 1466530619 13007177658953 221122020202201