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11221240103 = 41273688783
BaseRepresentation
bin10100111001101011…
…01000100100100111
31001222000202001121022
422130311220210213
5140440114140403
65053250041355
7545033652503
oct123465504447
931860661538
1011221240103
114839108857
122211b7925b
13109aa0a658
14786421303
1545a1e1d38
hex29cd68927

11221240103 has 4 divisors (see below), whose sum is σ = 11494928928. Its totient is φ = 10947551280.

The previous prime is 11221240081. The next prime is 11221240127. The reversal of 11221240103 is 30104212211.

11221240103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30104212211 = 112392678549.

It is a cyclic number.

It is not a de Polignac number, because 11221240103 - 222 = 11217045799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221240183) 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 3 ways as a sum of consecutive naturals, for example, 136844351 + ... + 136844432.

It is an arithmetic number, because the mean of its divisors is an integer number (2873732232).

Almost surely, 211221240103 is an apocalyptic number.

11221240103 is a deficient number, since it is larger than the sum of its proper divisors (273688825).

11221240103 is an equidigital number, since it uses as much as digits as its factorization.

11221240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273688824.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11221240103 its reverse (30104212211), we get a palindrome (41325452314).

The spelling of 11221240103 in words is "eleven billion, two hundred twenty-one million, two hundred forty thousand, one hundred three".

Divisors: 1 41 273688783 11221240103