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211112113322111 = 173312516955073
BaseRepresentation
bin110000000000000101011110…
…100001011011100001111111
31000200111010021011021121012012
4300000011132201123201333
5210132330102002301421
62024555322130401435
762316226654152431
oct6000053641334177
91020433234247165
10211112113322111
11612a316531a571
121b816b3773027b
1390a4a2c983691
143a1bc48cd6651
15196179d13a95b
hexc0015e85b87f

211112113322111 has 32 divisors (see below), whose sum is σ = 231552949363200. Its totient is φ = 192273146757120.

The previous prime is 211112113322087. The next prime is 211112113322137. The reversal of 211112113322111 is 111223311211112.

It is not a de Polignac number, because 211112113322111 - 246 = 140743369144447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112113322191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3833286671 + ... + 3833341743.

It is an arithmetic number, because the mean of its divisors is an integer number (7236029667600).

Almost surely, 2211112113322111 is an apocalyptic number.

211112113322111 is a deficient number, since it is larger than the sum of its proper divisors (20440836041089).

211112113322111 is an equidigital number, since it uses as much as digits as its factorization.

211112113322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80324 (or 80290 counting only the distinct ones).

The product of its digits is 144, while the sum is 23.

Adding to 211112113322111 its reverse (111223311211112), we get a palindrome (322335424533223).

The spelling of 211112113322111 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred eleven".

Divisors: 1 17 31 289 527 4913 8959 25169 55073 152303 427873 780239 936241 1707263 7273841 13264063 15916097 29023471 123655297 225489071 270573649 493399007 1386132337 3833314207 8387783119 23564249729 42970102447 400592245393 730491741599 6810068171681 12418359607183 211112113322111