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212110001111211 = 372316713012021251
BaseRepresentation
bin110000001110100110110101…
…010001010000000010101011
31000211000111222200012121000220
4300032212311101100002223
5210300202240241024321
62031041553405101123
762451304363336260
oct6016466521200253
91024014880177026
10212110001111211
1161648389a27115
121b95840a2577a3
139147b6c477388
143a542709d5267
15197c7042269c6
hexc0e9b54500ab

212110001111211 has 64 divisors (see below), whose sum is σ = 339548603498496. Its totient is φ = 115153038000000.

The previous prime is 212110001111201. The next prime is 212110001111279. The reversal of 212110001111211 is 112111100011212.

It is not a de Polignac number, because 212110001111211 - 27 = 212110001111083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212110001111201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103929336 + ... + 105950586.

It is an arithmetic number, because the mean of its divisors is an integer number (5305446929664).

Almost surely, 2212110001111211 is an apocalyptic number.

212110001111211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212110001111211 is a deficient number, since it is larger than the sum of its proper divisors (127438602387285).

212110001111211 is a wasteful number, since it uses less digits than its factorization.

212110001111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022752.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212110001111211 its reverse (112111100011212), we get a palindrome (324221101122423).

The spelling of 212110001111211 in words is "two hundred twelve trillion, one hundred ten billion, one million, one hundred eleven thousand, two hundred eleven".

Divisors: 1 3 7 21 23 69 161 167 483 501 1169 1301 3507 3841 3903 9107 11523 26887 27321 29923 80661 89769 209461 217267 628383 651801 1520869 2021251 4562607 4997141 6063753 14148757 14991423 34979987 42446271 46488773 104939961 139466319 325421411 337548917 976264233 1012646751 2362842419 2629647551 7088527257 7763625091 7888942653 18407532857 23290875273 54345375637 55222598571 60481893673 163036126911 181445681019 423373255711 439151141017 1270119767133 1317453423051 3074057987119 9222173961357 10100476243391 30301428730173 70703333703737 212110001111211