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111112020112 = 24229206914657
BaseRepresentation
bin110011101111011001…
…0101110000010010000
3101121210120212110012011
41213132302232002100
53310024134120422
6123013312112304
711012313405412
oct1473662560220
9347716773164
10111112020112
11431389252a5
121964b235694
13a6299c8a82
145540b709b2
152d54a55077
hex19decae090

111112020112 has 40 divisors (see below), whose sum is σ = 216338887800. Its totient is φ = 55282900992.

The previous prime is 111112020073. The next prime is 111112020119. The reversal of 111112020112 is 211020211111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59762647296 + 51349372816 = 244464^2 + 226604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111112020092 and 111112020101.

It is not an unprimeable number, because it can be changed into a prime (111112020119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7573488 + ... + 7588144.

It is an arithmetic number, because the mean of its divisors is an integer number (5408472195).

Almost surely, 2111112020112 is an apocalyptic number.

It is an amenable number.

111112020112 is a deficient number, since it is larger than the sum of its proper divisors (105226867688).

111112020112 is a wasteful number, since it uses less digits than its factorization.

111112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16963 (or 16957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112020112 its reverse (211020211111), we get a palindrome (322132231223).

The spelling of 111112020112 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 229 458 916 1832 2069 3664 4138 8276 14657 16552 29314 33104 58628 117256 234512 473801 947602 1895204 3356453 3790408 6712906 7580816 13425812 26851624 30325333 53703248 60650666 121301332 242602664 485205328 6944501257 13889002514 27778005028 55556010056 111112020112