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221200100120211 = 3277492657154013
BaseRepresentation
bin110010010010111000101001…
…011001000101011010010011
31002000012112010022012022022120
4302102320221121011122103
5212443120301112321321
62102241531222105323
764410115455135222
oct6222705131053223
91060175108168276
10221200100120211
1164532487930253
1220986089b7b243
139657106813a34
143c8a1db7cccb9
151a88dc77daec6
hexc92e29645693

221200100120211 has 8 divisors (see below), whose sum is σ = 294944095554000. Its totient is φ = 147461419049952.

The previous prime is 221200100120189. The next prime is 221200100120273. The reversal of 221200100120211 is 112021001002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221200100120211 - 229 = 221199563249299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200100120281) 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, 1328493760 + ... + 1328660253.

It is an arithmetic number, because the mean of its divisors is an integer number (36868011944250).

Almost surely, 2221200100120211 is an apocalyptic number.

221200100120211 is a deficient number, since it is larger than the sum of its proper divisors (73743995433789).

221200100120211 is a wasteful number, since it uses less digits than its factorization.

221200100120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657181765.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221200100120211 its reverse (112021001002122), we get a palindrome (333221101122333).

The spelling of 221200100120211 in words is "two hundred twenty-one trillion, two hundred billion, one hundred million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 3 27749 83247 2657154013 7971462039 73733366706737 221200100120211