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22112011110220 = 2254492549966011
BaseRepresentation
bin1010000011100010110101…
…00100010100011101001100
32220021212222001222022120121
411001301122210110131030
510344240344321011340
6115010041225554324
74441353151164343
oct501613244243514
986255861868517
1022112011110220
1170557188a3899
1225915579459a4
13c451cc8ac345
1456632703cb5a
152852b67b594a
hex141c5a91474c

22112011110220 has 48 divisors (see below), whose sum is σ = 46556948340000. Its totient is φ = 8821634232320.

The previous prime is 22112011110209. The next prime is 22112011110247. The reversal of 22112011110220 is 2201111021122.

It is a junction number, because it is equal to n+sod(n) for n = 22112011110194 and 22112011110203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22407015 + ... + 23373025.

It is an arithmetic number, because the mean of its divisors is an integer number (969936423750).

Almost surely, 222112011110220 is an apocalyptic number.

22112011110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112011110220 is an abundant number, since it is smaller than the sum of its proper divisors (24444937229780).

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

22112011110220 is a wasteful number, since it uses less digits than its factorization.

22112011110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969018 (or 969016 counting only the distinct ones).

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

Adding to 22112011110220 its reverse (2201111021122), we get a palindrome (24313122131342).

The spelling of 22112011110220 in words is "twenty-two trillion, one hundred twelve billion, eleven million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 2549 4490 5098 8980 10196 12745 25490 50980 966011 1144501 1932022 2289002 3864044 4578004 4830055 5722505 9660110 11445010 19320220 22890020 433738939 867477878 1734955756 2168694695 2462362039 4337389390 4924724078 8674778780 9849448156 12311810195 24623620390 49247240780 1105600555511 2211201111022 4422402222044 5528002777555 11056005555110 22112011110220