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12211110220210 = 2511192332107621
BaseRepresentation
bin1011000110110001111011…
…1000110001000110110010
31121020101000021012110020021
42301230132320301012302
53100031323204021320
641545412342434054
72400136460202046
oct261543670610662
947211007173207
1012211110220210
113988780415980
12145271813292a
136a766c717a55
14303041462026
1516298b956daa
hexb1b1ee311b2

12211110220210 has 96 divisors (see below), whose sum is σ = 25349217001920. Its totient is φ = 4188604838400.

The previous prime is 12211110220189. The next prime is 12211110220273. The reversal of 12211110220210 is 1202201111221.

12211110220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122111102202102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113410200 + ... + 113517820.

It is an arithmetic number, because the mean of its divisors is an integer number (264054343770).

Almost surely, 212211110220210 is an apocalyptic number.

12211110220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211110220210 is an abundant number, since it is smaller than the sum of its proper divisors (13138106781710).

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

12211110220210 is a wasteful number, since it uses less digits than its factorization.

12211110220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108124 (or 107891 counting only the distinct ones).

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

Adding to 12211110220210 its reverse (1202201111221), we get a palindrome (13413311331431).

The spelling of 12211110220210 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 233 418 466 1045 1165 2090 2330 2563 4427 5126 8854 12815 22135 25630 44270 48697 54289 97394 107621 108578 215242 243485 271445 486970 538105 542890 597179 1031491 1076210 1183831 1194358 2044799 2062982 2367662 2985895 4089598 5157455 5919155 5971790 10223995 10314910 11346401 11838310 20447990 22492789 22692802 25075693 44985578 50151386 56732005 112463945 113464010 125378465 224927890 250756930 275832623 476438167 551665246 952876334 1379163115 2382190835 2758326230 4764381670 5240819837 5842636469 10481639674 11685272938 26204099185 29213182345 52408198370 58426364690 64269001159 111010092911 128538002318 222020185822 321345005795 555050464555 642690011590 1110100929110 1221111022021 2442222044042 6105555110105 12211110220210