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122220020211 = 31791607141629
BaseRepresentation
bin111000111010011100…
…0011000000111110011
3102200110201112022201020
41301310320120013303
54000301311121321
6132051435110523
711554504013352
oct1616470300763
9380421468636
10122220020211
1147919019173
121b82b2a2443
13b6aa1083b3
145cb6115999
1532a4d294c6
hex1c74e181f3

122220020211 has 16 divisors (see below), whose sum is σ = 163973548800. Its totient is φ = 80973826208.

The previous prime is 122220020203. The next prime is 122220020227. The reversal of 122220020211 is 112020022221.

It is a cyclic number.

It is not a de Polignac number, because 122220020211 - 23 = 122220020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122220020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792145 + ... + 933773.

It is an arithmetic number, because the mean of its divisors is an integer number (10248346800).

Almost surely, 2122220020211 is an apocalyptic number.

122220020211 is a deficient number, since it is larger than the sum of its proper divisors (41753528589).

122220020211 is a wasteful number, since it uses less digits than its factorization.

122220020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143418.

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

Adding to 122220020211 its reverse (112020022221), we get a palindrome (234240042432).

The spelling of 122220020211 in words is "one hundred twenty-two billion, two hundred twenty million, twenty thousand, two hundred eleven".

Divisors: 1 3 179 537 1607 4821 141629 287653 424887 862959 25351591 76054773 227597803 682793409 40740006737 122220020211