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11212102102112 = 25541823786937
BaseRepresentation
bin1010001100101000010101…
…0111001110110001100000
31110200212101200011211220222
42203022011113032301200
52432144341114231422
635502434003422212
72235022225253012
oct243120527166140
943625350154828
1011212102102112
11363303137959a
121310b92384968
136343b1aa62a2
142aa950a521b2
151469bc31b842
hexa32855cec60

11212102102112 has 48 divisors (see below), whose sum is σ = 22141526797152. Its totient is φ = 5588882426880.

The previous prime is 11212102102111. The next prime is 11212102102213. The reversal of 11212102102112 is 21120120121211.

It is a super-2 number, since 2×112121021021122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212102102111) 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, 13854308 + ... + 14641244.

It is an arithmetic number, because the mean of its divisors is an integer number (461281808274).

Almost surely, 211212102102112 is an apocalyptic number.

It is an amenable number.

11212102102112 is a deficient number, since it is larger than the sum of its proper divisors (10929424695040).

11212102102112 is an equidigital number, since it uses as much as digits as its factorization.

11212102102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788311 (or 788303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212102102112 its reverse (21120120121211), we get a palindrome (32332222223323).

The spelling of 11212102102112 in words is "eleven trillion, two hundred twelve billion, one hundred two million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 541 823 1082 1646 2164 3292 4328 6584 8656 13168 17312 26336 445243 786937 890486 1573874 1780972 3147748 3561944 6295496 7123888 12590992 14247776 25181984 425732917 647649151 851465834 1295298302 1702931668 2590596604 3405863336 5181193208 6811726672 10362386416 13623453344 20724772832 350378190691 700756381382 1401512762764 2803025525528 5606051051056 11212102102112