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11020201 = 23347297
BaseRepresentation
bin101010000010…
…011110101001
3202201212212121
4222002132221
510310121301
61032111241
7162445603
oct52023651
922655777
1011020201
116247705
123835521
13238b03a
14166c173
15e7a3a1
hexa827a9

11020201 has 4 divisors (see below), whose sum is σ = 11067732. Its totient is φ = 10972672.

The previous prime is 11020193. The next prime is 11020213. The reversal of 11020201 is 10202011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10202011 = 31732183.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 8294400 = 1651^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020201 - 23 = 11020193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23416 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (2766933).

Almost surely, 211020201 is an apocalyptic number.

It is an amenable number.

11020201 is a deficient number, since it is larger than the sum of its proper divisors (47531).

11020201 is an equidigital number, since it uses as much as digits as its factorization.

11020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47530.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11020201 is about 3319.6688087820. The cubic root of 11020201 is about 222.5340670810.

Adding to 11020201 its reverse (10202011), we get a palindrome (21222212).

The spelling of 11020201 in words is "eleven million, twenty thousand, two hundred one".

Divisors: 1 233 47297 11020201