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112111110020 = 225713311987081
BaseRepresentation
bin110100001101001010…
…1111100011110000100
3101201101012211110220002
41220122111330132010
53314100421010040
6123300402100432
711046134466110
oct1503225743604
9351335743802
10112111110020
1143600887338
121988994a718
13a7589a7930
1455d7722740
152db2606a15
hex1a1a57c784

112111110020 has 96 divisors (see below), whose sum is σ = 299111479296. Its totient is φ = 34336742400.

The previous prime is 112111110019. The next prime is 112111110053. The reversal of 112111110020 is 20011111211.

It is a junction number, because it is equal to n+sod(n) for n = 112111109983 and 112111110010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937121 + ... + 1049960.

It is an arithmetic number, because the mean of its divisors is an integer number (3115744576).

Almost surely, 2112111110020 is an apocalyptic number.

112111110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111110020 is an abundant number, since it is smaller than the sum of its proper divisors (187000369276).

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

112111110020 is a wasteful number, since it uses less digits than its factorization.

112111110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987141 (or 1987139 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112111110020 its reverse (20011111211), we get a palindrome (132122221231).

The spelling of 112111110020 in words is "one hundred twelve billion, one hundred eleven million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 31 35 52 62 65 70 91 124 130 140 155 182 217 260 310 364 403 434 455 620 806 868 910 1085 1612 1820 2015 2170 2821 4030 4340 5642 8060 11284 14105 28210 56420 1987081 3974162 7948324 9935405 13909567 19870810 25832053 27819134 39741620 51664106 55638268 61599511 69547835 103328212 123199022 129160265 139095670 180824371 246398044 258320530 278191340 307997555 361648742 431196577 516641060 615995110 723297484 800793643 862393154 904121855 1231990220 1601587286 1724786308 1808243710 2155982885 3203174572 3616487420 4003968215 4311965770 5605555501 8007936430 8623931540 11211111002 16015872860 22422222004 28027777505 56055555010 112111110020