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BaseRepresentation
bin100000110100010…
…1111101101001001
32211202002202200122
41001220233231021
54223401401301
6301134313025
736201022133
oct10150575511
92752082618
101101200201
11515665012
12268958775
131471b106a
14a6372053
1566a2181b
hex41a2fb49

1101200201 has 4 divisors (see below), whose sum is σ = 1126809552. Its totient is φ = 1075590852.

The previous prime is 1101200159. The next prime is 1101200213. The reversal of 1101200201 is 1020021011.

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: 1020021011 = 9371088603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1101200201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101200231) 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, 12804611 + ... + 12804696.

It is an arithmetic number, because the mean of its divisors is an integer number (281702388).

Almost surely, 21101200201 is an apocalyptic number.

It is an amenable number.

1101200201 is a deficient number, since it is larger than the sum of its proper divisors (25609351).

1101200201 is an equidigital number, since it uses as much as digits as its factorization.

1101200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25609350.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1101200201 is about 33184.3366816334. The cubic root of 1101200201 is about 1032.6554164562.

Adding to 1101200201 its reverse (1020021011), we get a palindrome (2121221212).

The spelling of 1101200201 in words is "one billion, one hundred one million, two hundred thousand, two hundred one".

Divisors: 1 43 25609307 1101200201