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112111222011100 = 22521327279124897
BaseRepresentation
bin11001011111011011101101…
…100100000011010011011100
3112200221201122211020012112121
4121133123231210003103130
5104143312240313323400
61034235103454312324
732420524410516634
oct3137335544032334
9480851584205477
10112111222011100
11327a4114101114
12106a7aa54b86a4
134a73073262800
141d982d7dd36c4
15ce640bc2021a
hex65f6ed9034dc

112111222011100 has 108 divisors (see below), whose sum is σ = 263797224219984. Its totient is φ = 41337968855040.

The previous prime is 112111222011077. The next prime is 112111222011121. The reversal of 112111222011100 is 1110222111211.

It is a super-2 number, since 2×1121112220111002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7723852 + ... + 16848748.

Almost surely, 2112111222011100 is an apocalyptic number.

112111222011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112111222011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131898612109992).

112111222011100 is an abundant number, since it is smaller than the sum of its proper divisors (151686002208884).

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

112111222011100 is a wasteful number, since it uses less digits than its factorization.

112111222011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125664 (or 9125644 counting only the distinct ones).

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

Adding to 112111222011100 its reverse (1110222111211), we get a palindrome (113221444122311).

The spelling of 112111222011100 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 650 676 727 845 1300 1454 1690 2908 3380 3635 4225 7270 8450 9451 14540 16900 18175 18902 36350 37804 47255 72700 94510 122863 189020 236275 245726 472550 491452 614315 945100 1228630 2457260 3071575 6143150 9124897 12286300 18249794 36499588 45624485 91248970 118623661 182497940 228122425 237247322 456244850 474494644 593118305 912489700 1186236610 1542107593 2372473220 2965591525 3084215186 5931183050 6168430372 6633800119 7710537965 11862366100 13267600238 15421075930 26535200476 30842151860 33169000595 38552689825 66338001190 77105379650 86239401547 132676002380 154210759300 165845002975 172478803094 331690005950 344957606188 431197007735 663380011900 862394015470 1121112220111 1724788030940 2155985038675 2242224440222 4311970077350 4484448880444 5605561100555 8623940154700 11211122201110 22422244402220 28027805502775 56055611005550 112111222011100