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11221210101112 = 2311532405919833
BaseRepresentation
bin1010001101001010010000…
…1111011111010101111000
31110201201220102111010201021
42203102210033133111320
52432322014241213422
635510541443432224
72235464022052654
oct243224417372570
943651812433637
1011221210101112
113636985624aa0
1213128b4685674
13635203a3abcb
142ab17653ba64
15146d51c2cdc7
hexa34a43df578

11221210101112 has 32 divisors (see below), whose sum is σ = 23385540786480. Its totient is φ = 5004313250560.

The previous prime is 11221210101029. The next prime is 11221210101113. The reversal of 11221210101112 is 21110101212211.

It is a super-2 number, since 2×112212101011122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221210101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202955253 + ... + 1202964580.

Almost surely, 211221210101112 is an apocalyptic number.

It is an amenable number.

11221210101112 is an abundant number, since it is smaller than the sum of its proper divisors (12164330685368).

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

11221210101112 is a wasteful number, since it uses less digits than its factorization.

11221210101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405919903 (or 2405919899 counting only the distinct ones).

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

Adding to 11221210101112 its reverse (21110101212211), we get a palindrome (32331311313323).

The spelling of 11221210101112 in words is "eleven trillion, two hundred twenty-one billion, two hundred ten million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 53 88 106 212 424 583 1166 2332 4664 2405919833 4811839666 9623679332 19247358664 26465118163 52930236326 105860472652 127513751149 211720945304 255027502298 510055004596 1020110009192 1402651262639 2805302525278 5610605050556 11221210101112