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112111017121 = 1767791319511
BaseRepresentation
bin110100001101001010…
…1100101110010100001
3101201101012122202110101
41220122111211302201
53314100410021441
6123300400102401
711046133631215
oct1503225456241
9351335582411
10112111017121
1143600823564
1219889904a01
13a75897456c
1455d76da945
152db25d9231
hex1a1a565ca1

112111017121 has 32 divisors (see below), whose sum is σ = 122946785280. Its totient is φ = 101831558400.

The previous prime is 112111017097. The next prime is 112111017143. The reversal of 112111017121 is 121710111211.

It is a cyclic number.

It is not a de Polignac number, because 112111017121 - 27 = 112111016993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112111011121) 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 31 ways as a sum of consecutive naturals, for example, 11782756 + ... + 11792266.

It is an arithmetic number, because the mean of its divisors is an integer number (3842087040).

Almost surely, 2112111017121 is an apocalyptic number.

It is an amenable number.

112111017121 is a deficient number, since it is larger than the sum of its proper divisors (10835768159).

112111017121 is a wasteful number, since it uses less digits than its factorization.

112111017121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 112111017121 its reverse (121710111211), we get a palindrome (233821128332).

The spelling of 112111017121 in words is "one hundred twelve billion, one hundred eleven million, seventeen thousand, one hundred twenty-one".

Divisors: 1 17 67 79 131 1139 1343 2227 5293 8777 9511 10349 89981 149209 161687 175933 637237 693383 751369 1245941 10833029 11787511 12773273 21180997 50341723 83478047 98429339 855809291 1419126799 1673298763 6594765713 112111017121