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221120110000212 = 22320106899164359
BaseRepresentation
bin110010010001101110001001…
…100110111111100001010100
31001222220212122122200012010120
4302101232021212333201110
5212440312441130001322
62102141102020151540
764401254313263253
oct6221561146774124
91058825578605116
10221120110000212
116450156a562165
12209726855385b0
13964c6c975ac97
143c863b00a679a
151a86c9511ea5c
hexc91b899bf854

221120110000212 has 24 divisors (see below), whose sum is σ = 515947236235200. Its totient is φ = 73706658633216.

The previous prime is 221120110000189. The next prime is 221120110000249. The reversal of 221120110000212 is 212000011021122.

221120110000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221120110000191 and 221120110000200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19546089 + ... + 28710447.

It is an arithmetic number, because the mean of its divisors is an integer number (21497801509800).

Almost surely, 2221120110000212 is an apocalyptic number.

It is an amenable number.

221120110000212 is an abundant number, since it is smaller than the sum of its proper divisors (294827126234988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221120110000212 is a wasteful number, since it uses less digits than its factorization.

221120110000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175055 (or 11175053 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221120110000212 its reverse (212000011021122), we get a palindrome (433120121021334).

The spelling of 221120110000212 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 2010689 4021378 6032067 8042756 9164359 12064134 18328718 24128268 27493077 36657436 54986154 109972308 18426675833351 36853351666702 55280027500053 73706703333404 110560055000106 221120110000212