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11100112111 = 116116542641
BaseRepresentation
bin10100101011001111…
…00100010011101111
31001122120211010020101
422111213210103233
5140213112041421
65033241531531
7542033252614
oct122547442357
931576733211
1011100112111
1147867a6580
1221994a3ba7
13107b8aa19a
147742d050b
1544e767191
hex2959e44ef

11100112111 has 8 divisors (see below), whose sum is σ = 12307725648. Its totient is φ = 9925584000.

The previous prime is 11100112109. The next prime is 11100112117. The reversal of 11100112111 is 11121100111.

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

It is a cyclic number.

It is not a de Polignac number, because 11100112111 - 21 = 11100112109 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 (11100112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8270650 + ... + 8271991.

It is an arithmetic number, because the mean of its divisors is an integer number (1538465706).

Almost surely, 211100112111 is an apocalyptic number.

11100112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100112111 is a deficient number, since it is larger than the sum of its proper divisors (1207613537).

11100112111 is a wasteful number, since it uses less digits than its factorization.

11100112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16542713.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11100112111 its reverse (11121100111), we get a palindrome (22221212222).

The spelling of 11100112111 in words is "eleven billion, one hundred million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 11 61 671 16542641 181969051 1009101101 11100112111