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11201012201020 = 225560050610051
BaseRepresentation
bin1010001011111111000001…
…0110100111011000111100
31110122210202210120111120111
42202333300112213120330
52432004133110413040
635453401324355404
72234150344535605
oct242776026473074
943583683514514
1011201012201020
113629360417784
12130a9b83a5b64
13633335362a35
142aa1bbc5cdac
1514656d91edea
hexa2ff05a763c

11201012201020 has 12 divisors (see below), whose sum is σ = 23522125622184. Its totient is φ = 4480404880400.

The previous prime is 11201012200969. The next prime is 11201012201021. The reversal of 11201012201020 is 2010221010211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201012201021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280025305006 + ... + 280025305045.

It is an arithmetic number, because the mean of its divisors is an integer number (1960177135182).

Almost surely, 211201012201020 is an apocalyptic number.

11201012201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201012201020 is an abundant number, since it is smaller than the sum of its proper divisors (12321113421164).

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

11201012201020 is a wasteful number, since it uses less digits than its factorization.

11201012201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560050610060 (or 560050610058 counting only the distinct ones).

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

Adding to 11201012201020 its reverse (2010221010211), we get a palindrome (13211233211231).

The spelling of 11201012201020 in words is "eleven trillion, two hundred one billion, twelve million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 560050610051 1120101220102 2240202440204 2800253050255 5600506100510 11201012201020