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11212110103 is a prime number
BaseRepresentation
bin10100111000100101…
…10011100100010111
31001221101120012121011
422130102303210113
5140430300010403
65052322233051
7544563235435
oct123422634427
931841505534
1011212110103
114833a422a7
12220aab5787
131098b61a9c
14785125d55
154594dba6d
hex29c4b3917

11212110103 has 2 divisors, whose sum is σ = 11212110104. Its totient is φ = 11212110102.

The previous prime is 11212110097. The next prime is 11212110139. The reversal of 11212110103 is 30101121211.

It is a happy number.

11212110103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212110103 - 25 = 11212110071 is a prime.

It is a super-2 number, since 2×112121101032 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212113103) 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 as a sum of consecutive naturals, namely, 5606055051 + 5606055052.

It is an arithmetic number, because the mean of its divisors is an integer number (5606055052).

Almost surely, 211212110103 is an apocalyptic number.

11212110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212110103 is an equidigital number, since it uses as much as digits as its factorization.

11212110103 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11212110103 its reverse (30101121211), we get a palindrome (41313231314).

The spelling of 11212110103 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, one hundred three".