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211112220100210 = 2511132336067177967
BaseRepresentation
bin110000000000000101100100…
…111000110000011001110010
31000200111010112121012111012121
4300000011210320300121302
5210132330311321201320
62024555340503144454
762316232421565022
oct6000054470603162
91020433477174177
10211112220100210
11612a320a620530
121b816b6744512a
1390a4a48b2b3a0
143a1bc5916da82
1519617a76cd8aa
hexc00164e30672

211112220100210 has 128 divisors (see below), whose sum is σ = 465861702426624. Its totient is φ = 67779589743360.

The previous prime is 211112220100181. The next prime is 211112220100253. The reversal of 211112220100210 is 12001022211112.

It is a super-2 number, since 2×2111122201002102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1186154647 + ... + 1186332613.

It is an arithmetic number, because the mean of its divisors is an integer number (3639544550208).

Almost surely, 2211112220100210 is an apocalyptic number.

211112220100210 is an abundant number, since it is smaller than the sum of its proper divisors (254749482326414).

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

211112220100210 is a wasteful number, since it uses less digits than its factorization.

211112220100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214088.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211112220100210 its reverse (12001022211112), we get a palindrome (223113242311322).

The spelling of 211112220100210 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 10 11 13 22 23 26 46 55 65 110 115 130 143 230 253 286 299 506 598 715 1265 1430 1495 2530 2990 3289 6578 16445 32890 36067 72134 177967 180335 355934 360670 396737 468871 793474 829541 889835 937742 1659082 1779670 1957637 1983685 2313571 2344355 3915274 3967370 4093241 4147705 4627142 4688710 5157581 8186482 8295410 9124951 9788185 10315162 10784033 11567855 18249902 19576370 20466205 21568066 23135710 25449281 25787905 40932410 45025651 45624755 50898562 51575810 53212133 53920165 90051302 91249510 106424266 107840330 118624363 127246405 225128255 237248726 254492810 266060665 450256510 532121330 585333463 593121815 1170666926 1186243630 2926667315 5853334630 6418735789 12837471578 32093678945 64187357890 70606093679 83443565257 141212187358 147630923147 166887130514 295261846294 353030468395 417217826285 706060936790 738154615735 834435652570 917879217827 1476309231470 1623940154617 1835758435654 1919202000911 3247880309234 3838404001822 4589396089135 8119700773085 9178792178270 9596010004555 16239401546170 19192020009110 21111222010021 42222444020042 105556110050105 211112220100210