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11020120101020 = 225551006005051
BaseRepresentation
bin1010000001011101001001…
…0110000001000010011100
31110000111212010011201012002
42200113102112001002130
52421023201221213040
635234323455101432
72215114564212062
oct240272226010234
943014763151162
1011020120101020
113569674559678
12129b933b11878
1361c26795c884
142a153b7a2032
151419d2c4aa15
hexa05d258109c

11020120101020 has 12 divisors (see below), whose sum is σ = 23142252212184. Its totient is φ = 4408048040400.

The previous prime is 11020120101013. The next prime is 11020120101073. The reversal of 11020120101020 is 2010102102011.

It is a junction number, because it is equal to n+sod(n) for n = 11020120100992 and 11020120101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275503002506 + ... + 275503002545.

It is an arithmetic number, because the mean of its divisors is an integer number (1928521017682).

Almost surely, 211020120101020 is an apocalyptic number.

11020120101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020120101020 is an abundant number, since it is smaller than the sum of its proper divisors (12122132111164).

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

11020120101020 is a wasteful number, since it uses less digits than its factorization.

11020120101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551006005060 (or 551006005058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020120101020 its reverse (2010102102011), we get a palindrome (13030222203031).

The spelling of 11020120101020 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 551006005051 1102012010102 2204024020204 2755030025255 5510060050510 11020120101020