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2111220112201 = 163103929274259
BaseRepresentation
bin11110101110001110100…
…001100101101101001001
321110211102120002221121221
4132232032201211231021
5234042234322042301
64253514154002041
7305350000600654
oct36561641455511
97424376087557
102111220112201
117443aa794292
122a1203416321
13124119777c55
147427db1a89b
1539db7284da1
hex1eb8e865b49

2111220112201 has 16 divisors (see below), whose sum is σ = 2127442636800. Its totient is φ = 2095040133648.

The previous prime is 2111220112187. The next prime is 2111220112217. The reversal of 2111220112201 is 1022110221112.

It is a cyclic number.

It is not a de Polignac number, because 2111220112201 - 239 = 1561464298313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111220112241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495705810 + ... + 495710068.

It is an arithmetic number, because the mean of its divisors is an integer number (132965164800).

Almost surely, 22111220112201 is an apocalyptic number.

It is an amenable number.

2111220112201 is a deficient number, since it is larger than the sum of its proper divisors (16222524599).

2111220112201 is a wasteful number, since it uses less digits than its factorization.

2111220112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111220112201 its reverse (1022110221112), we get a palindrome (3133330333313).

The spelling of 2111220112201 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred one".

Divisors: 1 163 1039 2927 4259 169357 477101 694217 3041153 4425101 12466093 495707939 721291463 2031973159 12952270627 2111220112201