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11221010102020 = 2254113684158661
BaseRepresentation
bin1010001101001001100001…
…0100100011011100000100
31110201201101111011010112111
42203102120110203130010
52432321112041231040
635510505541030404
72235456043101145
oct243223024433404
943651344133474
1011221010102020
113636892742794
1213128596b5404
136351a1484154
142ab157b59acc
15146d3e3c3dea
hexa3498523704

11221010102020 has 24 divisors (see below), whose sum is σ = 24138855879768. Its totient is φ = 4378930771200.

The previous prime is 11221010102011. The next prime is 11221010102047. The reversal of 11221010102020 is 2020101012211.

It can be written as a sum of positive squares in 4 ways, for example, as 793781211136 + 10427228890884 = 890944^2 + 3229122^2 .

It is a super-3 number, since 3×112210101020203 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 6842078511 + ... + 6842080150.

It is an arithmetic number, because the mean of its divisors is an integer number (1005785661657).

Almost surely, 211221010102020 is an apocalyptic number.

11221010102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221010102020 is an abundant number, since it is smaller than the sum of its proper divisors (12917845777748).

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

11221010102020 is a wasteful number, since it uses less digits than its factorization.

11221010102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13684158711 (or 13684158709 counting only the distinct ones).

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

Adding to 11221010102020 its reverse (2020101012211), we get a palindrome (13241111114231).

The spelling of 11221010102020 in words is "eleven trillion, two hundred twenty-one billion, ten million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 13684158661 27368317322 54736634644 68420793305 136841586610 273683173220 561050505101 1122101010202 2244202020404 2805252525505 5610505051010 11221010102020