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10011111201020 = 225909155060561
BaseRepresentation
bin1001000110101110010010…
…1110100001100011111100
31022110001102112220202012002
42101223210232201203330
52303010223431413040
633143012504401432
72052164445113336
oct221534456414374
938401375822162
1010011111201020
11320a763313886
121158278a76278
13578075118a97
1426877caa8456
1512562a64aa15
hex91ae4ba18fc

10011111201020 has 24 divisors (see below), whose sum is σ = 21025646447568. Its totient is φ = 4004003923200.

The previous prime is 10011111201017. The next prime is 10011111201073. The reversal of 10011111201020 is 2010211111001.

10011111201020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10011111200992 and 10011111201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27348461 + ... + 27712100.

It is an arithmetic number, because the mean of its divisors is an integer number (876068601982).

Almost surely, 210011111201020 is an apocalyptic number.

10011111201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011111201020 is an abundant number, since it is smaller than the sum of its proper divisors (11014535246548).

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

10011111201020 is a wasteful number, since it uses less digits than its factorization.

10011111201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55069661 (or 55069659 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10011111201020 its reverse (2010211111001), we get a palindrome (12021322312021).

The spelling of 10011111201020 in words is "ten trillion, eleven billion, one hundred eleven million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 9091 18182 36364 45455 90910 181820 55060561 110121122 220242244 275302805 550605610 1101211220 500555560051 1001111120102 2002222240204 2502777800255 5005555600510 10011111201020