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112120221113 = 805991391087
BaseRepresentation
bin110100001101011100…
…0101100110110111001
3101201101211222100221222
41220122320230312321
53314110234033423
6123301325241425
711046305104055
oct1503270546671
9351354870858
10112120221113
1143605a3a66a
1219890a03275
13a75a847a04
1455d8a14c65
152db33063c8
hex1a1ae2cdb9

112120221113 has 4 divisors (see below), whose sum is σ = 112121692800. Its totient is φ = 112118749428.

The previous prime is 112120221077. The next prime is 112120221127. The reversal of 112120221113 is 311122021211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112120221113 - 218 = 112119958969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120221091 and 112120221100.

It is not an unprimeable number, because it can be changed into a prime (112120221413) 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, 614945 + ... + 776142.

It is an arithmetic number, because the mean of its divisors is an integer number (28030423200).

Almost surely, 2112120221113 is an apocalyptic number.

It is an amenable number.

112120221113 is a deficient number, since it is larger than the sum of its proper divisors (1471687).

112120221113 is an equidigital number, since it uses as much as digits as its factorization.

112120221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471686.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112120221113 its reverse (311122021211), we get a palindrome (423242242324).

The spelling of 112120221113 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 80599 1391087 112120221113