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21222010002201 = 339565717879131
BaseRepresentation
bin1001101001101001000100…
…10111100001101100011001
32210010210201100212120112220
410310310202113201230121
510240200134030032301
6113045131245254253
74320145122452361
oct464644227415431
983123640776486
1021222010002201
116842227431598
122468b74264389
13bac2c4813288
145352179ab9a1
1526c076ec8936
hex134d225e1b19

21222010002201 has 8 divisors (see below), whose sum is σ = 28296086435424. Its totient is φ = 14147970118560.

The previous prime is 21222010002199. The next prime is 21222010002209. The reversal of 21222010002201 is 10220001022212.

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

It is not a de Polignac number, because 21222010002201 - 21 = 21222010002199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21222010002209) 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, 7752595 + ... + 10126536.

It is an arithmetic number, because the mean of its divisors is an integer number (3537010804428).

Almost surely, 221222010002201 is an apocalyptic number.

It is an amenable number.

21222010002201 is a deficient number, since it is larger than the sum of its proper divisors (7074076433223).

21222010002201 is a wasteful number, since it uses less digits than its factorization.

21222010002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18274791.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21222010002201 its reverse (10220001022212), we get a palindrome (31442011024413).

The spelling of 21222010002201 in words is "twenty-one trillion, two hundred twenty-two billion, ten million, two thousand, two hundred one".

Divisors: 1 3 395657 1186971 17879131 53637393 7074003334067 21222010002201