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11212141 is a prime number
BaseRepresentation
bin101010110001…
…010101101101
3210002122011111
4222301111231
510332242031
61040152021
7164205313
oct52612555
923078144
1011212141
116368936
123908611
132427505
1416bc0b3
15eb71b1
hexab156d

11212141 has 2 divisors, whose sum is σ = 11212142. Its totient is φ = 11212140.

The previous prime is 11212127. The next prime is 11212151. The reversal of 11212141 is 14121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 3316041 = 2810^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212141 - 27 = 11212013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606070 + 5606071.

It is an arithmetic number, because the mean of its divisors is an integer number (5606071).

Almost surely, 211212141 is an apocalyptic number.

It is an amenable number.

11212141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212141 is an equidigital number, since it uses as much as digits as its factorization.

11212141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16, while the sum is 13.

The square root of 11212141 is about 3348.4535236434. The cubic root of 11212141 is about 223.8186044739.

Adding to 11212141 its reverse (14121211), we get a palindrome (25333352).

The spelling of 11212141 in words is "eleven million, two hundred twelve thousand, one hundred forty-one".