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11201201 = 111018291
BaseRepresentation
bin101010101110…
…101010110001
3210002002011022
4222232222301
510331414301
61040025225
7164131364
oct52565261
923062138
1011201201
1163606a0
123902215
13242253b
1416b80db
15eb3d1b
hexaaeab1

11201201 has 4 divisors (see below), whose sum is σ = 12219504. Its totient is φ = 10182900.

The previous prime is 11201189. The next prime is 11201219. The reversal of 11201201 is 10210211.

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 11201201 - 218 = 10939057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11201251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509135 + ... + 509156.

It is an arithmetic number, because the mean of its divisors is an integer number (3054876).

Almost surely, 211201201 is an apocalyptic number.

11201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11201201 is a deficient number, since it is larger than the sum of its proper divisors (1018303).

11201201 is a wasteful number, since it uses less digits than its factorization.

11201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018302.

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

The square root of 11201201 is about 3346.8195350213. The cubic root of 11201201 is about 223.7457854246.

Adding to 11201201 its reverse (10210211), we get a palindrome (21411412).

The spelling of 11201201 in words is "eleven million, two hundred one thousand, two hundred one".

Divisors: 1 11 1018291 11201201