Search a number
-
+
11212021010202 = 23199710760115767
BaseRepresentation
bin1010001100101000000010…
…0001111000111100011010
31110200212012000120221201220
42203022000201320330122
52432144204334311302
635502421545352510
72235020222061315
oct243120041707432
943625160527656
1011212021010202
113632a9a621a91
121310b6b198736
1363439b052bcc
142aa943d8397c
151469b514e4bc
hexa3280878f1a

11212021010202 has 128 divisors (see below), whose sum is σ = 24112052213760. Its totient is φ = 3465392025600.

The previous prime is 11212021010161. The next prime is 11212021010207. The reversal of 11212021010202 is 20201012021211.

It is a super-2 number, since 2×112120210102022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212021010207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 711098923 + ... + 711114689.

It is an arithmetic number, because the mean of its divisors is an integer number (188375407920).

Almost surely, 211212021010202 is an apocalyptic number.

11212021010202 is an abundant number, since it is smaller than the sum of its proper divisors (12900031203558).

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

11212021010202 is a wasteful number, since it uses less digits than its factorization.

11212021010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16596.

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

Adding to 11212021010202 its reverse (20201012021211), we get a palindrome (31413033031413).

The spelling of 11212021010202 in words is "eleven trillion, two hundred twelve billion, twenty-one million, ten thousand, two hundred two".

Divisors: 1 2 3 6 19 38 57 97 107 114 194 214 291 321 582 601 642 1202 1803 1843 2033 3606 3686 4066 5529 6099 10379 11058 11419 12198 15767 20758 22838 31137 31534 34257 47301 58297 62274 64307 68514 94602 116594 128614 174891 192921 197201 299573 349782 385842 394402 591603 599146 898719 1107643 1183206 1221833 1529399 1687069 1797438 2215286 2443666 3058798 3322929 3374138 3665499 4588197 5061207 6237779 6645858 7330998 9176394 9475967 10122414 12475558 18713337 18951934 28427901 29058581 32054311 37426674 56855802 58117162 64108622 87175743 96162933 118517801 163645693 174351486 180043373 192325866 237035602 327291386 355553403 360086746 490937079 540130119 711106806 919168799 981874158 1013928469 1080260238 1838337598 2027856938 2757506397 3041785407 3109268167 5515012794 6083570814 6218536334 9327804501 17464207181 18655609002 19264640911 34928414362 38529281822 52392621543 57793922733 98351061493 104785243086 115587845466 196702122986 295053184479 590106368958 1868670168367 3737340336734 5606010505101 11212021010202