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112120100201 = 147537599817
BaseRepresentation
bin110100001101011100…
…0001111010101101001
3101201101211202020002202
41220122320033111221
53314110221201301
6123301322505545
711046304061414
oct1503270172551
9351354666082
10112120100201
114360596783a
12198909652b5
13a75a804975
1455d89c2b7b
152db32d066b
hex1a1ae0f569

112120100201 has 4 divisors (see below), whose sum is σ = 112127714772. Its totient is φ = 112112485632.

The previous prime is 112120100173. The next prime is 112120100203. The reversal of 112120100201 is 102001021211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102001021211 = 317321769783.

It can be written as a sum of positive squares in 2 ways, for example, as 29764875625 + 82355224576 = 172525^2 + 286976^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120100201 - 218 = 112119838057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120100203) 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 3 ways as a sum of consecutive naturals, for example, 3785156 + ... + 3814661.

It is an arithmetic number, because the mean of its divisors is an integer number (28031928693).

Almost surely, 2112120100201 is an apocalyptic number.

It is an amenable number.

112120100201 is a deficient number, since it is larger than the sum of its proper divisors (7614571).

112120100201 is an equidigital number, since it uses as much as digits as its factorization.

112120100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614570.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112120100201 its reverse (102001021211), we get a palindrome (214121121412).

The spelling of 112120100201 in words is "one hundred twelve billion, one hundred twenty million, one hundred thousand, two hundred one".

Divisors: 1 14753 7599817 112120100201