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2201120210221 = 19931643349553
BaseRepresentation
bin100000000001111100111…
…111001111110100101101
321210102110212000002222221
4200001330333033310231
5242030343233211341
64403103005035341
7315011545041052
oct40017477176455
97712425002887
102201120210221
11779542a80559
122b6712855b51
1312c74598c21a
147876b651029
153c3c997aed1
hex2007cfcfd2d

2201120210221 has 8 divisors (see below), whose sum is σ = 2212257355200. Its totient is φ = 2189983828032.

The previous prime is 2201120210189. The next prime is 2201120210417. The reversal of 2201120210221 is 1220120211022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201120210221 - 25 = 2201120210189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201120210195 and 2201120210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120280221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6122181 + ... + 6471733.

It is an arithmetic number, because the mean of its divisors is an integer number (276532169400).

Almost surely, 22201120210221 is an apocalyptic number.

It is an amenable number.

2201120210221 is a deficient number, since it is larger than the sum of its proper divisors (11137144979).

2201120210221 is a wasteful number, since it uses less digits than its factorization.

2201120210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381395.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201120210221 its reverse (1220120211022), we get a palindrome (3421240421243).

The spelling of 2201120210221 in words is "two trillion, two hundred one billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 199 31643 349553 6296957 69561047 11060905579 2201120210221