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112211101220987 is a prime number
BaseRepresentation
bin11001100000111000101110…
…110101000000000001111011
3112201022021110120120202220102
4121200320232311000001323
5104201431313403032422
61034353022424350015
732430661460013446
oct3140705665000173
9481267416522812
10112211101220987
113283250833587a
121070331a91530b
134a7c5cca2c7c2
141d9d090db065d
15ce8d0554a192
hex660e2ed4007b

112211101220987 has 2 divisors, whose sum is σ = 112211101220988. Its totient is φ = 112211101220986.

The previous prime is 112211101220969. The next prime is 112211101220989. The reversal of 112211101220987 is 789022101112211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112211101220987 - 212 = 112211101216891 is a prime.

Together with 112211101220989, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112211101220987.

It is not a weakly prime, because it can be changed into another prime (112211101220989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105550610493 + 56105550610494.

It is an arithmetic number, because the mean of its divisors is an integer number (56105550610494).

Almost surely, 2112211101220987 is an apocalyptic number.

112211101220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211101220987 is an equidigital number, since it uses as much as digits as its factorization.

112211101220987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 38.

The spelling of 112211101220987 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred one million, two hundred twenty thousand, nine hundred eighty-seven".