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201020022211 = 1941973976701
BaseRepresentation
bin1011101100110110111…
…0100001110111000011
3201012212102122011220211
42323031232201313003
511243142111202321
6232203004414551
720344314665461
oct2731556416703
9635772564824
10201020022211
117828561aa68
1232b61247457
1315c57749908
149a2d761831
155367cad0e1
hex2ecdba1dc3

201020022211 has 32 divisors (see below), whose sum is σ = 219580038720. Its totient is φ = 183389184000.

The previous prime is 201020022209. The next prime is 201020022289. The reversal of 201020022211 is 112220020102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201020022211 - 21 = 201020022209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020022191 and 201020022200.

It is not an unprimeable number, because it can be changed into a prime (201020022611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29995161 + ... + 30001861.

It is an arithmetic number, because the mean of its divisors is an integer number (6861876210).

Almost surely, 2201020022211 is an apocalyptic number.

201020022211 is a deficient number, since it is larger than the sum of its proper divisors (18560016509).

201020022211 is a wasteful number, since it uses less digits than its factorization.

201020022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201020022211 its reverse (112220020102), we get a palindrome (313240042313).

The spelling of 201020022211 in words is "two hundred one billion, twenty million, twenty-two thousand, two hundred eleven".

Divisors: 1 19 41 97 397 779 1843 3977 6701 7543 16277 38509 75563 127319 274741 309263 649997 731671 1578869 2660297 5220079 12349943 26649877 29998511 50545643 109072177 258048809 506347663 2072371363 4902927371 10580001169 201020022211