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111112110122 = 21361281249317
BaseRepresentation
bin110011101111011001…
…1000100000000101010
3101121210121001000122212
41213132303010000222
53310024200010442
6123013314045122
711012314232006
oct1473663040052
9347717030585
10111112110122
1143138986992
121964b2797a2
13a629a2aa30
145540b95706
152d54a71a82
hex19decc402a

111112110122 has 32 divisors (see below), whose sum is σ = 183081188304. Its totient is φ = 50262105600.

The previous prime is 111112110121. The next prime is 111112110169. The reversal of 111112110122 is 221011211111.

It can be written as a sum of positive squares in 8 ways, for example, as 25433551441 + 85678558681 = 159479^2 + 292709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111112110097 and 111112110106.

It is not an unprimeable number, because it can be changed into a prime (111112110121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321008 + ... + 570324.

Almost surely, 2111112110122 is an apocalyptic number.

111112110122 is a deficient number, since it is larger than the sum of its proper divisors (71969078182).

111112110122 is a wasteful number, since it uses less digits than its factorization.

111112110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249674.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112110122 its reverse (221011211111), we get a palindrome (332123321233).

The spelling of 111112110122 in words is "one hundred eleven billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 13 26 61 122 281 562 793 1586 3653 7306 17141 34282 222833 249317 445666 498634 3241121 6482242 15208337 30416674 70058077 140116154 197708381 395416762 910755001 1821510002 4273542697 8547085394 55556055061 111112110122