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11112102102012 = 2236987231325287
BaseRepresentation
bin1010000110110011110011…
…1001100000001111111100
31110100022021111112111112120
42201230330321200033330
52424030041114231022
635344455040402540
72224552151264142
oct241547471401774
943308244474476
1011112102102012
1135a4685a4340a
1212b5724616450
13627b362967b2
142a5b859d1592
151440b80d1d5c
hexa1b3ce603fc

11112102102012 has 24 divisors (see below), whose sum is σ = 25928294910336. Its totient is φ = 3704025937968.

The previous prime is 11112102101963. The next prime is 11112102102029. The reversal of 11112102102012 is 21020120121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11112102101982 and 11112102102000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7722033 + ... + 9047319.

It is an arithmetic number, because the mean of its divisors is an integer number (1080345621264).

Almost surely, 211112102102012 is an apocalyptic number.

11112102102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112102102012 is an abundant number, since it is smaller than the sum of its proper divisors (14816192808324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112102102012 is a wasteful number, since it uses less digits than its factorization.

11112102102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024017 (or 2024015 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112102102012 its reverse (21020120121111), we get a palindrome (32132222223123).

The spelling of 11112102102012 in words is "eleven trillion, one hundred twelve billion, one hundred two million, one hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 698723 1325287 1397446 2096169 2650574 2794892 3975861 4192338 5301148 7951722 8384676 15903444 926008508501 1852017017002 2778025525503 3704034034004 5556051051006 11112102102012