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11200111111212 = 2235231178425271
BaseRepresentation
bin1010001011111011101010…
…1001001110110000101100
31110122201110000000101201220
42202332322221032300230
52432000311421024322
635453132055103340
72234116123440612
oct242767251166054
943581400011656
1011200111111212
113628a38810661
12130a7a6671b50
136332207772ba
142aa1342db6b2
1514651977a55c
hexa2fbaa4ec2c

11200111111212 has 24 divisors (see below), whose sum is σ = 26138588646912. Its totient is φ = 3732656648400.

The previous prime is 11200111111187. The next prime is 11200111111271. The reversal of 11200111111212 is 21211111100211.

It is a junction number, because it is equal to n+sod(n) for n = 11200111111191 and 11200111111200.

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, 89149864 + ... + 89275407.

It is an arithmetic number, because the mean of its divisors is an integer number (1089107860288).

Almost surely, 211200111111212 is an apocalyptic number.

11200111111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11200111111212 is an abundant number, since it is smaller than the sum of its proper divisors (14938477535700).

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

11200111111212 is a wasteful number, since it uses less digits than its factorization.

11200111111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178430509 (or 178430507 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11200111111212 its reverse (21211111100211), we get a palindrome (32411222211423).

The spelling of 11200111111212 in words is "eleven trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 5231 10462 15693 20924 31386 62772 178425271 356850542 535275813 713701084 1070551626 2141103252 933342592601 1866685185202 2800027777803 3733370370404 5600055555606 11200111111212