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112111300121 = 173364692037
BaseRepresentation
bin110100001101001011…
…0101010111000011001
3101201101020012010122212
41220122112222320121
53314100443100441
6123300410124505
711046136220252
oct1503226527031
9351336163585
10112111300121
11436009a7147
1219889a20735
13a758a43312
1455d7771b29
152db2642eeb
hex1a1a5aae19

112111300121 has 4 divisors (see below), whose sum is σ = 112175993892. Its totient is φ = 112046606352.

The previous prime is 112111300111. The next prime is 112111300123. The reversal of 112111300121 is 121003111211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121003111211 = 180976686363.

It can be written as a sum of positive squares in 2 ways, for example, as 34387993600 + 77723306521 = 185440^2 + 278789^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111300121 - 226 = 112044191257 is a prime.

It is a super-2 number, since 2×1121113001212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112111300096 and 112111300105.

It is not an unprimeable number, because it can be changed into a prime (112111300123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32344286 + ... + 32347751.

It is an arithmetic number, because the mean of its divisors is an integer number (28043998473).

Almost surely, 2112111300121 is an apocalyptic number.

It is an amenable number.

112111300121 is a deficient number, since it is larger than the sum of its proper divisors (64693771).

112111300121 is an equidigital number, since it uses as much as digits as its factorization.

112111300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64693770.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 112111300121 its reverse (121003111211), we get a palindrome (233114411332).

The spelling of 112111300121 in words is "one hundred twelve billion, one hundred eleven million, three hundred thousand, one hundred twenty-one".

Divisors: 1 1733 64692037 112111300121