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112201210112020 = 225172771191348589
BaseRepresentation
bin11001100000101111100001…
…010001011010100000010100
3112201021022221020201101012021
4121200233201101122200110
5104201301034242041040
61034344305131502524
732430161403664201
oct3140574121324024
9481238836641167
10112201210112020
11328292a2035257
121070141a2b7a44
134a7b6b47799c3
141d9c7d34b4ca8
15ce8926eeb24a
hex660be145a814

112201210112020 has 48 divisors (see below), whose sum is σ = 250383350463120. Its totient is φ = 42087962916864.

The previous prime is 112201210111937. The next prime is 112201210112029. The reversal of 112201210112020 is 20211012102211.

It can be written as a sum of positive squares in 8 ways, for example, as 4853085632784 + 107348124479236 = 2202972^2 + 10360894^2 .

It is a super-2 number, since 2×1122012101120202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112201210111985 and 112201210112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201210112029) by changing a digit.

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, 595580115 + ... + 595768474.

It is an arithmetic number, because the mean of its divisors is an integer number (5216319801315).

Almost surely, 2112201210112020 is an apocalyptic number.

112201210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112201210112020 is an abundant number, since it is smaller than the sum of its proper divisors (138182140351100).

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

112201210112020 is a wasteful number, since it uses less digits than its factorization.

112201210112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191348892 (or 1191348890 counting only the distinct ones).

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

Adding to 112201210112020 its reverse (20211012102211), we get a palindrome (132412222214231).

The spelling of 112201210112020 in words is "one hundred twelve trillion, two hundred one billion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 277 340 554 1108 1385 2770 4709 5540 9418 18836 23545 47090 94180 1191348589 2382697178 4765394356 5956742945 11913485890 20252926013 23826971780 40505852026 81011704052 101264630065 202529260130 330003559153 405058520260 660007118306 1320014236612 1650017795765 3300035591530 5610060505601 6600071183060 11220121011202 22440242022404 28050302528005 56100605056010 112201210112020