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112111201 = 711579031
BaseRepresentation
bin1101010111010…
…10111001100001
321210221211122201
412223222321201
5212200024301
615042533201
72530633546
oct653527141
9253854581
10112111201
1158313894
1231667201
131a2c42b7
1410c64bcd
159c98201
hex6aeae61

112111201 has 4 divisors (see below), whose sum is σ = 113690304. Its totient is φ = 110532100.

The previous prime is 112111193. The next prime is 112111211. The reversal of 112111201 is 102111211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102111211 = 283360817.

It is a cyclic number.

It is not a de Polignac number, because 112111201 - 23 = 112111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112111211) 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, 789445 + ... + 789586.

It is an arithmetic number, because the mean of its divisors is an integer number (28422576).

Almost surely, 2112111201 is an apocalyptic number.

It is an amenable number.

112111201 is a deficient number, since it is larger than the sum of its proper divisors (1579103).

112111201 is an equidigital number, since it uses as much as digits as its factorization.

112111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579102.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 112111201 is about 10588.2576942574. The cubic root of 112111201 is about 482.1879299656.

Adding to 112111201 its sum of digits (10), we get a palindrome (112111211).

Adding to 112111201 its reverse (102111211), we get a palindrome (214222412).

The spelling of 112111201 in words is "one hundred twelve million, one hundred eleven thousand, two hundred one".

Divisors: 1 71 1579031 112111201