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111214115111 = 1179896912081
BaseRepresentation
bin110011110010011100…
…0001011100100100111
3101122001200222102012102
41213210320023210213
53310231303140421
6123031400242315
711014663244441
oct1474470134447
9348050872172
10111214115111
1143190517830
121967947039b
13a644bc4008
145550549491
152d5d9c060b
hex19e4e0b927

111214115111 has 32 divisors (see below), whose sum is σ = 124480281600. Its totient is φ = 98512128000.

The previous prime is 111214115081. The next prime is 111214115119. The reversal of 111214115111 is 111511412111.

It is a de Polignac number, because none of the positive numbers 2k-111214115111 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 (111214115119) 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 31 ways as a sum of consecutive naturals, for example, 53441591 + ... + 53443671.

It is an arithmetic number, because the mean of its divisors is an integer number (3890008800).

Almost surely, 2111214115111 is an apocalyptic number.

111214115111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111214115111 is a deficient number, since it is larger than the sum of its proper divisors (13266166489).

111214115111 is a wasteful number, since it uses less digits than its factorization.

111214115111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951.

The product of its digits is 40, while the sum is 20.

Adding to 111214115111 its reverse (111511412111), we get a palindrome (222725527222).

The spelling of 111214115111 in words is "one hundred eleven billion, two hundred fourteen million, one hundred fifteen thousand, one hundred eleven".

Divisors: 1 11 79 89 691 869 979 2081 7031 7601 22891 54589 61499 77341 164399 185209 600479 676489 1437971 1808389 2037299 4858421 14631511 15817681 53442631 113599709 127979419 160946621 1249596799 1407773609 10110374101 111214115111