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2112220220110 = 2571113211011011
BaseRepresentation
bin11110101111001010001…
…000101100101011001110
321110221000020222200202121
4132233022020230223032
5234101311334020420
64254201321443154
7305413533431320
oct36571210545316
97427006880677
102112220220110
11744873281150
122a14423404ba
13124248a22290
1474336895610
1539e24e882aa
hex1ebca22cace

2112220220110 has 64 divisors (see below), whose sum is σ = 5104778402304. Its totient is φ = 607711708800.

The previous prime is 2112220220083. The next prime is 2112220220161. The reversal of 2112220220110 is 110220222112.

It is a happy number.

It is a super-2 number, since 2×21122202201102 (a number of 25 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 31 ways as a sum of consecutive naturals, for example, 105495496 + ... + 105515515.

It is an arithmetic number, because the mean of its divisors is an integer number (79762162536).

Almost surely, 22112220220110 is an apocalyptic number.

2112220220110 is an abundant number, since it is smaller than the sum of its proper divisors (2992558182194).

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

2112220220110 is a wasteful number, since it uses less digits than its factorization.

2112220220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211011049.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112220220110 its reverse (110220222112), we get a palindrome (2222440442222).

The spelling of 2112220220110 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 211011011 422022022 1055055055 1477077077 2110110110 2321121121 2743143143 2954154154 4642242242 5486286286 7385385385 11605605605 13715715715 14770770770 16247847847 19202002001 23211211210 27431431430 30174574573 32495695694 38404004002 60349149146 81239239235 96010010005 150872872865 162478478470 192020020010 211222022011 301745745730 422444044022 1056110110055 2112220220110