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112210111111081 is a prime number
BaseRepresentation
bin11001100000110111110011…
…110100000001111110101001
3112201022011220120111222110011
4121200313303310001332221
5104201422301421023311
61034352340255051521
732430625105143604
oct3140676364017651
9481264816458404
10112210111111081
113283204a457625
12107030a3210ba1
134a7c4a2876159
141d9cdd96b933b
15ce8c9866e321
hex660df3d01fa9

112210111111081 has 2 divisors, whose sum is σ = 112210111111082. Its totient is φ = 112210111111080.

The previous prime is 112210111111051. The next prime is 112210111111117. The reversal of 112210111111081 is 180111111012211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86879475079056 + 25330636032025 = 9320916^2 + 5032955^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210111111081 - 237 = 112072672157609 is a prime.

It is a super-3 number, since 3×1122101111110813 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (112210111111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105055555540 + 56105055555541.

It is an arithmetic number, because the mean of its divisors is an integer number (56105055555541).

Almost surely, 2112210111111081 is an apocalyptic number.

It is an amenable number.

112210111111081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112210111111081 is an equidigital number, since it uses as much as digits as its factorization.

112210111111081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 22.

Adding to 112210111111081 its reverse (180111111012211), we get a palindrome (292321222123292).

The spelling of 112210111111081 in words is "one hundred twelve trillion, two hundred ten billion, one hundred eleven million, one hundred eleven thousand, eighty-one".