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12210112201111 = 11217191013093217
BaseRepresentation
bin1011000110101110001101…
…1001101000000110010111
31121020021102201020211101221
42301223203121220012113
53100022302210413421
641545125331431211
72400102651161266
oct261534331500627
947207381224357
1012210112201111
113988309025400
121452499a55507
136a7540a223c6
14302d88aac5dd
1516292e017841
hexb1ae3668197

12210112201111 has 48 divisors (see below), whose sum is σ = 15106534339680. Its totient is φ = 9799308288000.

The previous prime is 12210112201097. The next prime is 12210112201117. The reversal of 12210112201111 is 11110221101221.

12210112201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12210112201111 - 215 = 12210112168343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210112201117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2400775 + ... + 5493991.

It is an arithmetic number, because the mean of its divisors is an integer number (314719465410).

Almost surely, 212210112201111 is an apocalyptic number.

12210112201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210112201111 is a deficient number, since it is larger than the sum of its proper divisors (2896422138569).

12210112201111 is a wasteful number, since it uses less digits than its factorization.

12210112201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093376 (or 3093365 counting only the distinct ones).

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

Adding to 12210112201111 its reverse (11110221101221), we get a palindrome (23320333302332).

The spelling of 12210112201111 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, two hundred one thousand, one hundred eleven".

Divisors: 1 11 17 19 101 121 187 209 323 1111 1717 1919 2057 2299 3553 12221 18887 21109 32623 39083 207757 232199 358853 3093217 3947383 34025387 52584689 58771123 312414917 374279257 578431579 646482353 999109091 3436564087 5311053589 5935883423 6362747369 7111305883 10990200001 37802204957 58421589479 65294717653 100910018191 120892200011 642637484269 718241894183 1110010200101 12210112201111