Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01001110010100010 |
3 | 1001221101201211110020 |
4 | 22130103021302202 |
5 | 140430310413442 |
6 | 5052324214310 |
7 | 544564065003 |
oct | 123423116242 |
9 | 31841654406 |
10 | 11212201122 |
11 | 4833aa4721 |
12 | 220ab3a396 |
13 | 1098b94345 |
14 | 78514b1aa |
15 | 4595089ec |
hex | 29c4c9ca2 |
11212201122 has 32 divisors (see below), whose sum is σ = 22535884800. Its totient is φ = 3718866768.
The previous prime is 11212201111. The next prime is 11212201123. The reversal of 11212201122 is 22110221211.
It is not an unprimeable number, because it can be changed into a prime (11212201123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026333 + ... + 1037199.
It is an arithmetic number, because the mean of its divisors is an integer number (704246400).
Almost surely, 211212201122 is an apocalyptic number.
11212201122 is an abundant number, since it is smaller than the sum of its proper divisors (11323683678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11212201122 is a wasteful number, since it uses less digits than its factorization.
11212201122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11710.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 11212201122 its reverse (22110221211), we get a palindrome (33322422333).
The spelling of 11212201122 in words is "eleven billion, two hundred twelve million, two hundred one thousand, one hundred twenty-two".
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