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221011201030201 = 2340087239708201
BaseRepresentation
bin110010010000001000101110…
…001000001111100000111001
31001222112110112121020021112121
4302100020232020033200321
5212432021414430431301
62102015051043041241
764360350410306251
oct6220105610174071
91058473477207477
10221011201030201
116446a36226002a
1220955550070221
1396423612c0c6a
143c80ddbb68961
151a8401dbda3a1
hexc9022e20f839

221011201030201 has 8 divisors (see below), whose sum is σ = 230626137642624. Its totient is φ = 211396743914400.

The previous prime is 221011201030199. The next prime is 221011201030229. The reversal of 221011201030201 is 102030102110122.

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 221011201030201 - 21 = 221011201030199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221011201030231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118932100 + ... + 120776101.

It is an arithmetic number, because the mean of its divisors is an integer number (28828267205328).

Almost surely, 2221011201030201 is an apocalyptic number.

It is an amenable number.

221011201030201 is a deficient number, since it is larger than the sum of its proper divisors (9614936612423).

221011201030201 is a wasteful number, since it uses less digits than its factorization.

221011201030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239748311.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221011201030201 its reverse (102030102110122), we get a palindrome (323041303140323).

The spelling of 221011201030201 in words is "two hundred twenty-one trillion, eleven billion, two hundred one million, thirty thousand, two hundred one".

Divisors: 1 23 40087 922001 239708201 5513288623 9609182653487 221011201030201