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201122212021211 = 1359925827945553
BaseRepresentation
bin101101101110101101101010…
…000000010000001111011011
3222101010002120202112102012102
4231232231222000100033123
5202330141242234134321
61551430134011434015
760235412622153425
oct5556555200201733
9871102522472172
10201122212021211
11590a14a6493668
121a6829b9a5590b
13882b987ac1c70
14379451d09d815
15183b9b4a9ec0b
hexb6eb6a0103db

201122212021211 has 8 divisors (see below), whose sum is σ = 216954742653600. Its totient is φ = 185341337281152.

The previous prime is 201122212021187. The next prime is 201122212021259. The reversal of 201122212021211 is 112120212221102.

201122212021211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201122212021211 - 210 = 201122212020187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122212021811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12913964990 + ... + 12913980563.

It is an arithmetic number, because the mean of its divisors is an integer number (27119342831700).

Almost surely, 2201122212021211 is an apocalyptic number.

201122212021211 is a deficient number, since it is larger than the sum of its proper divisors (15832530632389).

201122212021211 is a wasteful number, since it uses less digits than its factorization.

201122212021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25827946165.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201122212021211 its reverse (112120212221102), we get a palindrome (313242424242313).

The spelling of 201122212021211 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, two hundred eleven".

Divisors: 1 13 599 7787 25827945553 335763292189 15470939386247 201122212021211