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112111112001 = 375990485159
BaseRepresentation
bin110100001101001010…
…1111100111101000001
3101201101012211120121110
41220122111330331001
53314100421041001
6123300402113533
711046134504640
oct1503225747501
9351335746543
10112111112001
1143600888879
121988994b8a9
13a7589a87c5
1455d7723357
152db26073d6
hex1a1a57cf41

112111112001 has 16 divisors (see below), whose sum is σ = 173731507200. Its totient is φ = 62977669968.

The previous prime is 112111111997. The next prime is 112111112011. The reversal of 112111112001 is 100211111211.

It is not a de Polignac number, because 112111112001 - 22 = 112111111997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112111112011) 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, 45241341 + ... + 45243818.

It is an arithmetic number, because the mean of its divisors is an integer number (10858219200).

Almost surely, 2112111112001 is an apocalyptic number.

It is an amenable number.

112111112001 is a deficient number, since it is larger than the sum of its proper divisors (61620395199).

112111112001 is an equidigital number, since it uses as much as digits as its factorization.

112111112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90485228.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112111112001 its reverse (100211111211), we get a palindrome (212322223212).

The spelling of 112111112001 in words is "one hundred twelve billion, one hundred eleven million, one hundred twelve thousand, one".

Divisors: 1 3 7 21 59 177 413 1239 90485159 271455477 633396113 1900188339 5338624381 16015873143 37370370667 112111112001