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211112201202201 = 321313031384787251
BaseRepresentation
bin110000000000000101100011…
…110000101010101000011001
31000200111010111021122101000100
4300000011203300222220121
5210132330242001432301
62024555334550130013
762316232102135545
oct6000054360525031
91020433437571010
10211112201202201
11612a31aa993142
121b816b61050909
1390a4a44c42730
143a1bc56850a25
1519617a5be9286
hexc00163c2aa19

211112201202201 has 24 divisors (see below), whose sum is σ = 328648788942656. Its totient is φ = 129815495964000.

The previous prime is 211112201202179. The next prime is 211112201202229. The reversal of 211112201202201 is 102202102211112.

211112201202201 is a `hidden beast` number, since 211 + 1 + 1 + 220 + 12 + 0 + 220 + 1 = 666.

It is not a de Polignac number, because 211112201202201 - 210 = 211112201201177 is a prime.

It is a super-2 number, since 2×2111122012022012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211112201202241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692241175 + ... + 692546076.

Almost surely, 2211112201202201 is an apocalyptic number.

It is an amenable number.

211112201202201 is a deficient number, since it is larger than the sum of its proper divisors (117536587740455).

211112201202201 is a wasteful number, since it uses less digits than its factorization.

211112201202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384788573 (or 1384788570 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211112201202201 its reverse (102202102211112), we get a palindrome (313314303413313).

The spelling of 211112201202201 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, two hundred one".

Divisors: 1 3 9 13 39 117 1303 3909 11727 16939 50817 152451 1384787251 4154361753 12463085259 18002234263 54006702789 162020108367 1804377788053 5413133364159 16239400092477 23456911244689 70370733734067 211112201202201