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111211012110212 = 2273971821861079
BaseRepresentation
bin11001010010010101010100…
…110111110011011110000100
3112120202200001122111001102022
4121102111110313303132010
5104034040123100011322
61032305344512102312
732265505360564310
oct3122252467633604
9476680048431368
10111211012110212
1132487364086713
1210581532b34998
134a091cc1639c1
141d668dabacb40
15ccccc1080942
hex652554df3784

111211012110212 has 12 divisors (see below), whose sum is σ = 222422024220480. Its totient is φ = 47661862332936.

The previous prime is 111211012110199. The next prime is 111211012110217. The reversal of 111211012110212 is 212011210112111.

111211012110212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

111211012110212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111211012110217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985910930512 + ... + 1985910930567.

It is an arithmetic number, because the mean of its divisors is an integer number (18535168685040).

Almost surely, 2111211012110212 is an apocalyptic number.

It is an amenable number.

111211012110212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111211012110212 is a wasteful number, since it uses less digits than its factorization.

111211012110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971821861090 (or 3971821861088 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111211012110212 its reverse (212011210112111), we get a palindrome (323222222222323).

The spelling of 111211012110212 in words is "one hundred eleven trillion, two hundred eleven billion, twelve million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 3971821861079 7943643722158 15887287444316 27802753027553 55605506055106 111211012110212