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221102001011222 = 2239579461438609
BaseRepresentation
bin110010010001011101010010…
…001110101011101000010110
31001222212010220121102020022122
4302101131102032223220112
5212440013344224324342
62102124505041455542
764400043462360062
oct6221352216535026
91058763817366278
10221102001011222
11644a49174a9761
122096b0709415b2
13964aaa1a8a596
143c85572dc8aa2
151a865853d84d2
hexc917523aba16

221102001011222 has 8 divisors (see below), whose sum is σ = 331654386551400. Its totient is φ = 110550538827424.

The previous prime is 221102001011207. The next prime is 221102001011233. The reversal of 221102001011222 is 222110100201122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221102001011222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230240147 + ... + 231198462.

It is an arithmetic number, because the mean of its divisors is an integer number (41456798318925).

Almost surely, 2221102001011222 is an apocalyptic number.

221102001011222 is a deficient number, since it is larger than the sum of its proper divisors (110552385540178).

221102001011222 is a wasteful number, since it uses less digits than its factorization.

221102001011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461678190.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221102001011222 its reverse (222110100201122), we get a palindrome (443212101212344).

The spelling of 221102001011222 in words is "two hundred twenty-one trillion, one hundred two billion, one million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 239579 479158 461438609 922877218 110551000505611 221102001011222