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212110210111 = 17192292867633
BaseRepresentation
bin1100010110001011000…
…0001111010000111111
3202021111022210002200211
43011202300033100333
511433400203210421
6241235253533251
721216201016012
oct3054260172077
9667438702624
10212110210111
1181a56758308
1235137344227
1317004260887
14a3a25cb379
1557b67149e1
hex3162c0f43f

212110210111 has 16 divisors (see below), whose sum is σ = 237440095200. Its totient is φ = 188300187648.

The previous prime is 212110210087. The next prime is 212110210153. The reversal of 212110210111 is 111012011212.

It is a happy number.

212110210111 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 212110210111 - 229 = 211573339199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212110210091 and 212110210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110213111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359850 + ... + 1507783.

It is an arithmetic number, because the mean of its divisors is an integer number (14840005950).

Almost surely, 2212110210111 is an apocalyptic number.

212110210111 is a deficient number, since it is larger than the sum of its proper divisors (25329885089).

212110210111 is a wasteful number, since it uses less digits than its factorization.

212110210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867898.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212110210111 its reverse (111012011212), we get a palindrome (323122221323).

The spelling of 212110210111 in words is "two hundred twelve billion, one hundred ten million, two hundred ten thousand, one hundred eleven".

Divisors: 1 17 19 229 323 3893 4351 73967 2867633 48749761 54485027 656687957 926245459 11163695269 12477071183 212110210111