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112111101 = 3317923197
BaseRepresentation
bin1101010111010…
…10110111111101
321210221211112000
412223222313331
5212200023401
615042532513
72530633344
oct653526775
9253854460
10112111101
1158313803
1231667139
131a2c423b
1410c64b5b
159c98186
hex6aeadfd

112111101 has 16 divisors (see below), whose sum is σ = 167025600. Its totient is φ = 74319984.

The previous prime is 112111099. The next prime is 112111117. The reversal of 112111101 is 101111211.

It is not a de Polignac number, because 112111101 - 21 = 112111099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (10439100).

Almost surely, 2112111101 is an apocalyptic number.

It is an amenable number.

112111101 is a deficient number, since it is larger than the sum of its proper divisors (54914499).

112111101 is a wasteful number, since it uses less digits than its factorization.

112111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23385 (or 23379 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 112111101 is about 10588.2529720441. The cubic root of 112111101 is about 482.1877865996.

Adding to 112111101 its reverse (101111211), we get a palindrome (213222312).

It can be divided in two parts, 11 and 2111101, that added together give a palindrome (2111112).

The spelling of 112111101 in words is "one hundred twelve million, one hundred eleven thousand, one hundred one".

Divisors: 1 3 9 27 179 537 1611 4833 23197 69591 208773 626319 4152263 12456789 37370367 112111101