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11230112011 = 41273905171
BaseRepresentation
bin10100111010101110…
…11110100100001011
31001222122102210120111
422131113132210023
5140444402041021
65054204135151
7545202243226
oct123527364413
931878383514
1011230112011
114843118408
122214b374b7
13109c7c58c1
147876905bd
1545ad958e1
hex29d5de90b

11230112011 has 4 divisors (see below), whose sum is σ = 11504017224. Its totient is φ = 10956206800.

The previous prime is 11230112009. The next prime is 11230112027. The reversal of 11230112011 is 11021103211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11021103211 = 17961570409.

It is a cyclic number.

It is not a de Polignac number, because 11230112011 - 21 = 11230112009 is a prime.

It is a super-2 number, since 2×112301120112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11230111982 and 11230112000.

It is not an unprimeable number, because it can be changed into a prime (11230112041) 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 3 ways as a sum of consecutive naturals, for example, 136952545 + ... + 136952626.

It is an arithmetic number, because the mean of its divisors is an integer number (2876004306).

Almost surely, 211230112011 is an apocalyptic number.

11230112011 is a deficient number, since it is larger than the sum of its proper divisors (273905213).

11230112011 is an equidigital number, since it uses as much as digits as its factorization.

11230112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273905212.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11230112011 its reverse (11021103211), we get a palindrome (22251215222).

The spelling of 11230112011 in words is "eleven billion, two hundred thirty million, one hundred twelve thousand, eleven".

Divisors: 1 41 273905171 11230112011