Search a number
-
+
220221012122201 = 1930737754330897
BaseRepresentation
bin110010000100101000110011…
…001100110001101001011001
31001212201220220222101122121202
4302010220303030301221121
5212331100113100402301
62100212045240243545
764246304655360056
oct6204506314615131
91055656828348552
10220221012122201
1164195230213a32
12208483834705b5
1395b59a1b5c38c
143c54a7a83002d
151a6d6c1ddd66b
hexc84a33331a59

220221012122201 has 8 divisors (see below), whose sum is σ = 232566678331680. Its totient is φ = 207950854575168.

The previous prime is 220221012122197. The next prime is 220221012122227. The reversal of 220221012122201 is 102221210122022.

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 220221012122201 - 22 = 220221012122197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220221012182201) 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, 18877159616 + ... + 18877171281.

It is an arithmetic number, because the mean of its divisors is an integer number (29070834791460).

Almost surely, 2220221012122201 is an apocalyptic number.

It is an amenable number.

220221012122201 is a deficient number, since it is larger than the sum of its proper divisors (12345666209479).

220221012122201 is a wasteful number, since it uses less digits than its factorization.

220221012122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37754331223.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220221012122201 its reverse (102221210122022), we get a palindrome (322442222244223).

The spelling of 220221012122201 in words is "two hundred twenty trillion, two hundred twenty-one billion, twelve million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 19 307 5833 37754330897 717332287043 11590579585379 220221012122201