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211112121211112 = 231122383114243601
BaseRepresentation
bin110000000000000101011110…
…111111100001100011101000
31000200111010021201010101212102
4300000011132333201203220
5210132330111012223422
62024555323011432532
762316230111210432
oct6000053677414350
91020433251111772
10211112121211112
11612a3169818700
121b816b3a2b5748
1390a4a314b6424
143a1bc49d8b652
15196179db98192
hexc0015efe18e8

211112121211112 has 96 divisors (see below), whose sum is σ = 459478627755840. Its totient is φ = 90681999936000.

The previous prime is 211112121211099. The next prime is 211112121211171.

211112121211112 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55273889 + ... + 58969712.

It is an arithmetic number, because the mean of its divisors is an integer number (4786235705790).

Almost surely, 2211112121211112 is an apocalyptic number.

211112121211112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211112121211112 is an abundant number, since it is smaller than the sum of its proper divisors (248366506544728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211112121211112 is a wasteful number, since it uses less digits than its factorization.

211112121211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114243735 (or 114243720 counting only the distinct ones).

The product of its digits is 32, while the sum is 20.

The spelling of 211112121211112 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 23 44 46 83 88 92 121 166 184 242 253 332 484 506 664 913 968 1012 1826 1909 2024 2783 3652 3818 5566 7304 7636 10043 11132 15272 20086 20999 22264 40172 41998 80344 83996 167992 230989 461978 923956 1847912 114243601 228487202 456974404 913948808 1256679611 2513359222 2627602823 5026718444 5255205646 9482218883 10053436888 10510411292 13823475721 18964437766 21020822584 27646951442 28903631053 37928875532 55293902884 57807262106 75857751064 104304407713 110587805768 115614524212 208608815426 218091034309 231229048424 317939941583 417217630852 436182068618 635879883166 834435261704 872364137236 1147348484843 1271759766332 1744728274472 2294696969686 2399001377399 2543519532664 4589393939372 4798002754798 9178787878744 9596005509596 19192011019192 26389015151389 52778030302778 105556060605556 211112121211112