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11212102221110 = 2573110350163761
BaseRepresentation
bin1010001100101000010101…
…0111101011110100110110
31110200212101200101220011022
42203022011113223310312
52432144341132033420
635502434010141142
72235022226256650
oct243120527536466
943625350356138
1011212102221110
11363303144aa3a
121310b924217b2
136343b1b184bb
142aa950a836d0
151469bc341c25
hexa32855ebd36

11212102221110 has 64 divisors (see below), whose sum is σ = 24040079990784. Its totient is φ = 3684026534400.

The previous prime is 11212102221031. The next prime is 11212102221119. The reversal of 11212102221110 is 1112220121211.

It is a super-4 number, since 4×112121022211104 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212102221119) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24858371 + ... + 25305390.

It is an arithmetic number, because the mean of its divisors is an integer number (375626249856).

Almost surely, 211212102221110 is an apocalyptic number.

11212102221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212102221110 is an abundant number, since it is smaller than the sum of its proper divisors (12827977769674).

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

11212102221110 is a wasteful number, since it uses less digits than its factorization.

11212102221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50163909.

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

Adding to 11212102221110 its reverse (1112220121211), we get a palindrome (12324322342321).

The spelling of 11212102221110 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 31 35 62 70 103 155 206 217 310 434 515 721 1030 1085 1442 2170 3193 3605 6386 7210 15965 22351 31930 44702 111755 223510 50163761 100327522 250818805 351146327 501637610 702292654 1555076591 1755731635 3110153182 3511463270 5166867383 7775382955 10333734766 10885536137 15550765910 21771072274 25834336915 36168071681 51668673830 54427680685 72336143362 108855361370 160172888873 180840358405 320345777746 361680716810 800864444365 1121210222111 1601728888730 2242420444222 5606051110555 11212102221110