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110101212220 = 22541195168821
BaseRepresentation
bin110011010001010001…
…0110010110000111100
3101112012010212002102211
41212202202302300330
53300441402242340
6122325123030204
710645260601546
oct1464242626074
9345163762384
10110101212220
114276a29a37a
121940880b364
13a4c84763ac
14548680c696
152ce5e3b5ea
hex19a28b2c3c

110101212220 has 48 divisors (see below), whose sum is σ = 236976719616. Its totient is φ = 42943680000.

The previous prime is 110101212211. The next prime is 110101212241. The reversal of 110101212220 is 22212101011.

It is a self number, because there is not a number n which added to its sum of digits gives 110101212220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565410 + ... + 1634230.

It is an arithmetic number, because the mean of its divisors is an integer number (4937014992).

Almost surely, 2110101212220 is an apocalyptic number.

110101212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110101212220 is an abundant number, since it is smaller than the sum of its proper divisors (126875507396).

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

110101212220 is a wasteful number, since it uses less digits than its factorization.

110101212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70822 (or 70820 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110101212220 its reverse (22212101011), we get a palindrome (132313313231).

The spelling of 110101212220 in words is "one hundred ten billion, one hundred one million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 1951 3902 7804 9755 19510 39020 68821 79991 137642 159982 275284 319964 344105 399955 688210 799910 1376420 1599820 2821661 5643322 11286644 14108305 28216610 56433220 134269771 268539542 537079084 671348855 1342697710 2685395420 5505060611 11010121222 22020242444 27525303055 55050606110 110101212220