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112001221000087 is a prime number
BaseRepresentation
bin11001011101110101010000…
…111111011111101110010111
3112200120012201122220212022121
4121131311100333133232113
5104140012000034000322
61034112352311040411
732406551444405626
oct3135652077375627
9480505648825277
10112001221000087
11327614a6430461
121068a706370107
134a658927a0693
141d92c60a296bd
15ce361e9c7ec7
hex65dd50fdfb97

112001221000087 has 2 divisors, whose sum is σ = 112001221000088. Its totient is φ = 112001221000086.

The previous prime is 112001221000051. The next prime is 112001221000103. The reversal of 112001221000087 is 780000122100211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (780000122100211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112001221000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112001221000387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000610500043 + 56000610500044.

It is an arithmetic number, because the mean of its divisors is an integer number (56000610500044).

Almost surely, 2112001221000087 is an apocalyptic number.

112001221000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001221000087 is an equidigital number, since it uses as much as digits as its factorization.

112001221000087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 112001221000087 its reverse (780000122100211), we get a palindrome (892001343100298).

The spelling of 112001221000087 in words is "one hundred twelve trillion, one billion, two hundred twenty-one million, eighty-seven", and thus it is an aban number.