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11021111013 = 3111546121601
BaseRepresentation
bin10100100001110100…
…01100111011100101
31001110002011110002210
422100322030323211
5140032401023023
65021340354033
7540053616663
oct122072147345
931402143083
1011021111013
114746147910
122176b45919
131068409683
14767a07c33
1544785e593
hex290e8cee5

11021111013 has 16 divisors (see below), whose sum is σ = 16032485952. Its totient is φ = 6678720000.

The previous prime is 11021111009. The next prime is 11021111021. The reversal of 11021111013 is 31011112011.

11021111013 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 11021111013 - 22 = 11021111009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021111013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021111083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499413 + ... + 521013.

It is an arithmetic number, because the mean of its divisors is an integer number (1002030372).

Almost surely, 211021111013 is an apocalyptic number.

It is an amenable number.

11021111013 is a deficient number, since it is larger than the sum of its proper divisors (5011374939).

11021111013 is a wasteful number, since it uses less digits than its factorization.

11021111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37076.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11021111013 its reverse (31011112011), we get a palindrome (42032223024).

The spelling of 11021111013 in words is "eleven billion, twenty-one million, one hundred eleven thousand, thirteen".

Divisors: 1 3 11 33 15461 21601 46383 64803 170071 237611 510213 712833 333973061 1001919183 3673703671 11021111013