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BaseRepresentation
bin10110111111001101101001…
…110110100110010110110111
3111020222011101021221112222202
4112333031221312212112313
5101222414332320213421
6555005055135415115
730203210206114400
oct2677155166462667
9436864337845882
10101101011101111
112a23977508341a
12b40a07808449b
134454a275471a8
141ad745a6b69a7
15ba4d08de610b
hex5bf369da65b7

101101011101111 has 48 divisors (see below), whose sum is σ = 120939872638464. Its totient is φ = 84223267442496.

The previous prime is 101101011101087. The next prime is 101101011101131. The reversal of 101101011101111 is 111101110101101.

It is a de Polignac number, because none of the positive numbers 2k-101101011101111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101011101092 and 101101011101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101011101131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433527206 + ... + 433760348.

It is an arithmetic number, because the mean of its divisors is an integer number (2519580679968).

Almost surely, 2101101011101111 is an apocalyptic number.

101101011101111 is a deficient number, since it is larger than the sum of its proper divisors (19838861537353).

101101011101111 is a wasteful number, since it uses less digits than its factorization.

101101011101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234220 (or 234213 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 101101011101111 its reverse (111101110101101), we get a palindrome (212202121202212).

The spelling of 101101011101111 in words is "one hundred one trillion, one hundred one billion, eleven million, one hundred one thousand, one hundred eleven".