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22110011111111 = 711449719889453
BaseRepresentation
bin1010000011011111000110…
…10110111011011011000111
32220021200210200121211120112
411001233203112323123013
510344222300321023421
6115005110543023235
74441252454365220
oct501574326733307
986250720554515
1022110011111111
117054891957970
122591099b9ab1b
13c44c71435511
145661b7584247
152851eae0345b
hex141be35bb6c7

22110011111111 has 32 divisors (see below), whose sum is σ = 27665577216000. Its totient is φ = 17166281287680.

The previous prime is 22110011111081. The next prime is 22110011111117. The reversal of 22110011111111 is 11111111001122.

It is not a de Polignac number, because 22110011111111 - 214 = 22110011094727 is a prime.

It is a Duffinian number.

22110011111111 is a modest number, since divided by 11111111 gives 221100 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110011111117) 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, 24413261 + ... + 25302713.

It is an arithmetic number, because the mean of its divisors is an integer number (864549288000).

Almost surely, 222110011111111 is an apocalyptic number.

22110011111111 is a deficient number, since it is larger than the sum of its proper divisors (5555566104889).

22110011111111 is a wasteful number, since it uses less digits than its factorization.

22110011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890639.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 22110011111111 its reverse (11111111001122), we get a palindrome (33221122112233).

The spelling of 22110011111111 in words is "twenty-two trillion, one hundred ten billion, eleven million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 7 11 77 449 719 3143 4939 5033 7909 34573 55363 322831 889453 2259817 3551141 6226171 9783983 24857987 68487881 399364397 639516707 2795550779 4393008367 4476616949 7034683777 30751058569 49242786439 287143001443 2010001010101 3158573015873 22110011111111