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11011111010212 = 227934845288007
BaseRepresentation
bin1010000000111011100101…
…0111000011111110100100
31102222122121020222110221011
42200032321113003332210
52420401223404311322
635230233511032004
72214345411206155
oct240167127037644
942878536873834
1011011111010212
113565871119385
12129a03a96b604
1361b460348801
142a0d250a192c
15141656d75677
hexa03b95c3fa4

11011111010212 has 12 divisors (see below), whose sum is σ = 19513361284480. Its totient is φ = 5435864928936.

The previous prime is 11011111010203. The next prime is 11011111010213. The reversal of 11011111010212 is 21201011111011.

11011111010212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11011111010192 and 11011111010201.

It is not an unprimeable number, because it can be changed into a prime (11011111010213) 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, 17422643688 + ... + 17422644319.

Almost surely, 211011111010212 is an apocalyptic number.

It is an amenable number.

11011111010212 is a deficient number, since it is larger than the sum of its proper divisors (8502250274268).

11011111010212 is a wasteful number, since it uses less digits than its factorization.

11011111010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34845288090 (or 34845288088 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11011111010212 its reverse (21201011111011), we get a palindrome (32212122121223).

The spelling of 11011111010212 in words is "eleven trillion, eleven billion, one hundred eleven million, ten thousand, two hundred twelve".

Divisors: 1 2 4 79 158 316 34845288007 69690576014 139381152028 2752777752553 5505555505106 11011111010212