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11112201101 is a prime number
BaseRepresentation
bin10100101100101011…
…01011101110001101
31001200102120022012202
422112111223232031
5140224210413401
65034353011245
7542241102521
oct122625535615
931612508182
1011112201101
114792603181
1221a1553b25
131081250831
14775b59d81
1545085406b
hex29656bb8d

11112201101 has 2 divisors, whose sum is σ = 11112201102. Its totient is φ = 11112201100.

The previous prime is 11112201097. The next prime is 11112201137. The reversal of 11112201101 is 10110221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7525389001 + 3586812100 = 86749^2 + 59890^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112201101 - 22 = 11112201097 is a prime.

It is a super-2 number, since 2×111122011012 (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 (11112204101) 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 as a sum of consecutive naturals, namely, 5556100550 + 5556100551.

It is an arithmetic number, because the mean of its divisors is an integer number (5556100551).

Almost surely, 211112201101 is an apocalyptic number.

It is an amenable number.

11112201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112201101 is an equidigital number, since it uses as much as digits as its factorization.

11112201101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112201101 its reverse (10110221111), we get a palindrome (21222422212).

The spelling of 11112201101 in words is "eleven billion, one hundred twelve million, two hundred one thousand, one hundred one".