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2011100020201 = 11284317822107
BaseRepresentation
bin11101010000111110111…
…001101111110111101001
321010021000000111022010101
4131100332321233313221
5230422213101121301
64135515300545401
7265203635056006
oct35207671576751
97107000438111
102011100020201
117059a25942a8
122859213b2261
1311785210b76c
146d4a2b588ad
15374a7727701
hex1d43ee6fde9

2011100020201 has 4 divisors (see below), whose sum is σ = 2011117955152. Its totient is φ = 2011082085252.

The previous prime is 2011100020183. The next prime is 2011100020229. The reversal of 2011100020201 is 1020200011102.

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 2011100020201 - 211 = 2011100018153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011100020261) 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, 8798211 + ... + 9023896.

It is an arithmetic number, because the mean of its divisors is an integer number (502779488788).

Almost surely, 22011100020201 is an apocalyptic number.

It is an amenable number.

2011100020201 is a deficient number, since it is larger than the sum of its proper divisors (17934951).

2011100020201 is a wasteful number, since it uses less digits than its factorization.

2011100020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17934950.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2011100020201 its reverse (1020200011102), we get a palindrome (3031300031303).

Subtracting from 2011100020201 its reverse (1020200011102), we obtain a palindrome (990900009099).

The spelling of 2011100020201 in words is "two trillion, eleven billion, one hundred million, twenty thousand, two hundred one".

Divisors: 1 112843 17822107 2011100020201