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BaseRepresentation
bin1010000110001010110111…
…0010001010011010110111
31110022020220112000210202010
42201202231302022122313
52423340033420213421
635335440253215303
72224012611311553
oct241425562123267
943266815023663
1011101111101111
11359aa558a1799
1212b3577791533
13626aa41a0275
142a5421dc4863
15143b7321e076

11101111101111 has 8 divisors (see below), whose sum is σ = 14883257609584. Its totient is φ = 7359852663360.

The previous prime is 11101111101071. The next prime is 11101111101133. The reversal of 11101111101111 is 11110111110111.

Adding to 11101111101111 its reverse (11110111110111), we get a palindrome (22211222211222).

11101111101111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11101111101111 - 210 = 11101111100087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101111101911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10222017046 + ... + 10222018131.

It is an arithmetic number, because the mean of its divisors is an integer number (1860407201198).

Almost surely, 211101111101111 is an apocalyptic number.

11101111101111 is a deficient number, since it is larger than the sum of its proper divisors (3782146508473).

11101111101111 is a wasteful number, since it uses less digits than its factorization.

11101111101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444035361.

The product of its (nonzero) digits is 1, while the sum is 12.

The spelling of 11101111101111 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred one thousand, one hundred eleven".