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12021112110211 is a prime number
BaseRepresentation
bin1010111011101110001000…
…0111011111110010000011
31120120012120222020102110021
42232323202013133302003
53033423214200011321
641322231143514311
72350332236001151
oct256734207376203
946505528212407
1012021112110211
11391514143a776
121421932158997
136927805c83a9
142d7b798763d1
1515ca6b615941
hexaeee21dfc83

12021112110211 has 2 divisors, whose sum is σ = 12021112110212. Its totient is φ = 12021112110210.

The previous prime is 12021112110179. The next prime is 12021112110251. The reversal of 12021112110211 is 11201121112021.

It is a weak prime.

It is an emirp because it is prime and its reverse (11201121112021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021112110211 - 25 = 12021112110179 is a prime.

It is a super-2 number, since 2×120211121102112 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021112110251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010556055105 + 6010556055106.

It is an arithmetic number, because the mean of its divisors is an integer number (6010556055106).

Almost surely, 212021112110211 is an apocalyptic number.

12021112110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021112110211 is an equidigital number, since it uses as much as digits as its factorization.

12021112110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12021112110211 its reverse (11201121112021), we get a palindrome (23222233222232).

The spelling of 12021112110211 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, two hundred eleven".