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1112221011100 = 225211122210111
BaseRepresentation
bin10000001011110101100…
…010011100110010011100
310221022211121001110022111
4100023311202130302130
5121210312034323400
62210540340123404
7143232605415343
oct20136542346234
93838747043274
101112221011100
11399765846571
1215b680696564
1380b609727a4
143bb905b6b5a
151dde882b3ba
hex102f589cc9c

1112221011100 has 18 divisors (see below), whose sum is σ = 2413519594304. Its totient is φ = 444888404400.

The previous prime is 1112221011089. The next prime is 1112221011113. The reversal of 1112221011100 is 11101222111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5561104956 + ... + 5561105155.

Almost surely, 21112221011100 is an apocalyptic number.

1112221011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112221011100 is an abundant number, since it is smaller than the sum of its proper divisors (1301298583204).

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

1112221011100 is a wasteful number, since it uses less digits than its factorization.

1112221011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122210125 (or 11122210118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112221011100 its reverse (11101222111), we get a palindrome (1123322233211).

The spelling of 1112221011100 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 11122210111 22244420222 44488840444 55611050555 111222101110 222444202220 278055252775 556110505550 1112221011100