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11212007222 = 21334359341
BaseRepresentation
bin10100111000100100…
…11010011100110110
31001221101100222110202
422130102122130312
5140430233212342
65052320120502
7544562326463
oct123422323466
931841328422
1011212007222
114833981a79
12220aa66132
131098b27000
147850da66a
154594bb332
hex29c49a736

11212007222 has 32 divisors (see below), whose sum is σ = 18642882720. Its totient is φ = 5054343840.

The previous prime is 11212007221. The next prime is 11212007267. The reversal of 11212007222 is 22270021211.

11212007222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11212007194 and 11212007203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212007221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159272 + ... + 218612.

It is an arithmetic number, because the mean of its divisors is an integer number (582590085).

Almost surely, 211212007222 is an apocalyptic number.

11212007222 is a deficient number, since it is larger than the sum of its proper divisors (7430875498).

11212007222 is an equidigital number, since it uses as much as digits as its factorization.

11212007222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59425 (or 59399 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 11212007222 its reverse (22270021211), we get a palindrome (33482028433).

The spelling of 11212007222 in words is "eleven billion, two hundred twelve million, seven thousand, two hundred twenty-two".

Divisors: 1 2 13 26 43 86 169 338 559 1118 2197 4394 7267 14534 59341 94471 118682 188942 771433 1542866 2551663 5103326 10028629 20057258 33171619 66343238 130372177 260744354 431231047 862462094 5606003611 11212007222