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101211101222 = 2721128535259
BaseRepresentation
bin101111001000010100…
…1101101100000100110
3100200020120112122210112
41132100221231200212
53124240020214342
6114255025053022
710212051110600
oct1362051554046
9320216478715
10101211101222
1139a18034400
1217747487172
13970c6bca9a
144c81c40170
152975719682
hex1790a6d826

101211101222 has 36 divisors (see below), whose sum is σ = 194117418180. Its totient is φ = 39432891960.

The previous prime is 101211101221. The next prime is 101211101227. The reversal of 101211101222 is 222101112101.

101211101222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101211101197 and 101211101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211101221) 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 17 ways as a sum of consecutive naturals, for example, 4255772 + ... + 4279487.

It is an arithmetic number, because the mean of its divisors is an integer number (5392150505).

Almost surely, 2101211101222 is an apocalyptic number.

101211101222 is a deficient number, since it is larger than the sum of its proper divisors (92906316958).

101211101222 is a wasteful number, since it uses less digits than its factorization.

101211101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535297 (or 8535279 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211101222 its reverse (222101112101), we get a palindrome (323312213323).

The spelling of 101211101222 in words is "one hundred one billion, two hundred eleven million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 5929 11858 8535259 17070518 59746813 93887849 119493626 187775698 418227691 657214943 836455382 1032766339 1314429886 2065532678 4600504601 7229364373 9201009202 14458728746 50605550611 101211101222