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11121101221213 is a prime number
BaseRepresentation
bin1010000111010101010101…
…0010011010110101011101
31110101011111122222010022201
42201311111102122311131
52424202003403034323
635352544031011501
72225321153446234
oct241652522326535
943334448863281
1011121101221213
1135a8483792905
1212b7416369b91
1362893b7c8bb9
142a639ac57b1b
151444431878ad
hexa1d5549ad5d

11121101221213 has 2 divisors, whose sum is σ = 11121101221214. Its totient is φ = 11121101221212.

The previous prime is 11121101221169. The next prime is 11121101221267. The reversal of 11121101221213 is 31212210112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6826582749529 + 4294518471684 = 2612773^2 + 2072322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121101221213 - 225 = 11121067666781 is a prime.

It is a super-2 number, since 2×111211012212132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121101221313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560550610606 + 5560550610607.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550610607).

Almost surely, 211121101221213 is an apocalyptic number.

It is an amenable number.

11121101221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121101221213 is an equidigital number, since it uses as much as digits as its factorization.

11121101221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11121101221213 its reverse (31212210112111), we get a palindrome (42333311333324).

The spelling of 11121101221213 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, two hundred thirteen".