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11021102201 = 89123832609
BaseRepresentation
bin10100100001110100…
…01010110001111001
31001110002011000000102
422100322022301321
5140032400232301
65021340245145
7540053552204
oct122072126171
931402130012
1011021102201
11474614122a
122176b407b5
131068405665
14767a0493b
1544785bb6b
hex290e8ac79

11021102201 has 4 divisors (see below), whose sum is σ = 11144934900. Its totient is φ = 10897269504.

The previous prime is 11021102179. The next prime is 11021102207. The reversal of 11021102201 is 10220112011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7911924601 + 3109177600 = 88949^2 + 55760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021102201 - 222 = 11016907897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021102207) 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, 61916216 + ... + 61916393.

It is an arithmetic number, because the mean of its divisors is an integer number (2786233725).

Almost surely, 211021102201 is an apocalyptic number.

It is an amenable number.

11021102201 is a deficient number, since it is larger than the sum of its proper divisors (123832699).

11021102201 is an equidigital number, since it uses as much as digits as its factorization.

11021102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123832698.

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

Adding to 11021102201 its reverse (10220112011), we get a palindrome (21241214212).

The spelling of 11021102201 in words is "eleven billion, twenty-one million, one hundred two thousand, two hundred one".

Divisors: 1 89 123832609 11021102201