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201120211 = 2341271787
BaseRepresentation
bin10111111110011…
…01100111010011
3112000102222001201
423333031213103
5402441321321
631542412031
74661331205
oct1377154723
9460388051
10201120211
11a3588656
1257431017
133288a156
141c9d4775
15129cb291
hexbfcd9d3

201120211 has 16 divisors (see below), whose sum is σ = 216050688. Its totient is φ = 186753600.

The previous prime is 201120163. The next prime is 201120221. The reversal of 201120211 is 112021102.

It is a cyclic number.

It is not a de Polignac number, because 201120211 - 213 = 201112019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255160 + ... + 255946.

It is an arithmetic number, because the mean of its divisors is an integer number (13503168).

Almost surely, 2201120211 is an apocalyptic number.

201120211 is a deficient number, since it is larger than the sum of its proper divisors (14930477).

201120211 is a wasteful number, since it uses less digits than its factorization.

201120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

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

The square root of 201120211 is about 14181.6857601626. The cubic root of 201120211 is about 585.8933544236.

Adding to 201120211 its reverse (112021102), we get a palindrome (313141313).

It can be divided in two parts, 2011 and 20211, that added together give a palindrome (22222).

The spelling of 201120211 in words is "two hundred one million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 23 41 271 787 943 6233 11111 18101 32267 213277 255553 742141 4905371 8744357 201120211