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11020121110220 = 2252161254977351
BaseRepresentation
bin1010000001011101001001…
…1001110111011011001100
31110000111212012001222112212
42200113102121313123030
52421023202001011340
635234323532445552
72215114605614255
oct240272231673314
943014765058485
1011020121110220
113569675088922
12129b9343198b8
1361c267c24031
142a153b985b2c
151419d2d99a65
hexa05d26776cc

11020121110220 has 24 divisors (see below), whose sum is σ = 23152963471008. Its totient is φ = 4406008608000.

The previous prime is 11020121110217. The next prime is 11020121110223. The reversal of 11020121110220 is 2201112102011.

11020121110220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11020121110217) and next prime (11020121110223).

It is a junction number, because it is equal to n+sod(n) for n = 11020121110195 and 11020121110204.

It is not an unprimeable number, because it can be changed into a prime (11020121110223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127445456 + ... + 127531895.

It is an arithmetic number, because the mean of its divisors is an integer number (964706811292).

Almost surely, 211020121110220 is an apocalyptic number.

11020121110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020121110220 is an abundant number, since it is smaller than the sum of its proper divisors (12132842360788).

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

11020121110220 is a wasteful number, since it uses less digits than its factorization.

11020121110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254979521 (or 254979519 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11020121110220 its reverse (2201112102011), we get a palindrome (13221233212231).

The spelling of 11020121110220 in words is "eleven trillion, twenty billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2161 4322 8644 10805 21610 43220 254977351 509954702 1019909404 1274886755 2549773510 5099547020 551006055511 1102012111022 2204024222044 2755030277555 5510060555110 11020121110220