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11021201 = 43256307
BaseRepresentation
bin101010000010…
…101110010001
3202201221020122
4222002232101
510310134301
61032120025
7162451532
oct52025621
922657218
1011021201
116248434
123836015
13238b629
14166c689
15e7a81b
hexa82b91

11021201 has 4 divisors (see below), whose sum is σ = 11277552. Its totient is φ = 10764852.

The previous prime is 11021183. The next prime is 11021249. The reversal of 11021201 is 10212011.

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 11021201 - 218 = 10759057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021261) 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, 128111 + ... + 128196.

It is an arithmetic number, because the mean of its divisors is an integer number (2819388).

Almost surely, 211021201 is an apocalyptic number.

It is an amenable number.

11021201 is a deficient number, since it is larger than the sum of its proper divisors (256351).

11021201 is an equidigital number, since it uses as much as digits as its factorization.

11021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256350.

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

The square root of 11021201 is about 3319.8194228000. The cubic root of 11021201 is about 222.5407979726.

Adding to 11021201 its reverse (10212011), we get a palindrome (21233212).

The spelling of 11021201 in words is "eleven million, twenty-one thousand, two hundred one".

Divisors: 1 43 256307 11021201