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11212011020210 = 25711138111381111
BaseRepresentation
bin1010001100100111111111…
…1011110001111110110010
31110200212011022210102001012
42203021333323301332302
52432144144310121320
635502420551310522
72235020041133060
oct243117773617662
943625138712035
1011212011020210
113632a94a193a0
121310b6797b442
13634398c65a80
142aa942903030
151469b43294c5
hexa327fef1fb2

11212011020210 has 128 divisors (see below), whose sum is σ = 27130431541248. Its totient is φ = 3221853408000.

The previous prime is 11212011020159. The next prime is 11212011020213. The reversal of 11212011020210 is 1202011021211.

It is a super-2 number, since 2×112120110202102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (11212011020213) 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, 7427555 + ... + 8808665.

It is an arithmetic number, because the mean of its divisors is an integer number (211956496416).

Almost surely, 211212011020210 is an apocalyptic number.

11212011020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212011020210 is an abundant number, since it is smaller than the sum of its proper divisors (15918420521038).

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

11212011020210 is a wasteful number, since it uses less digits than its factorization.

11212011020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381960.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212011020210 its reverse (1202011021211), we get a palindrome (12414022041421).

The spelling of 11212011020210 in words is "eleven trillion, two hundred twelve billion, eleven million, twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 811 910 1001 1430 1622 2002 4055 5005 5677 8110 8921 10010 10543 11354 17842 21086 28385 44605 52715 56770 62447 73801 89210 105430 115973 124894 147602 231946 312235 369005 579865 624470 738010 811811 1159730 1381111 1623622 2762222 4059055 6905555 8118110 9667777 13811110 15192221 17954443 19335554 30384442 35908886 48338885 75961105 89772215 96677770 106345547 125681101 151922210 179544430 197498873 212691094 251362202 394997746 531727735 628405505 987494365 1063455470 1120081021 1256811010 1382492111 1974988730 2240162042 2764984222 5600405105 6912460555 7840567147 11200810210 12320891231 13824921110 14561053273 15681134294 24641782462 29122106546 39202835735 61604456155 72805266365 78405671470 86246238617 101927372911 123208912310 145610532730 160171586003 172492477234 203854745822 320343172006 431231193085 509636864555 800857930015 862462386170 1019273729110 1121201102021 1601715860030 2242402204042 5606005510105 11212011020210