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11201020112020 = 2253122381014177
BaseRepresentation
bin1010001011111111000011…
…0100110010110010010100
31110122210210100110102102111
42202333300310302302110
52432004142122041040
635453402210120404
72234150502015004
oct242776064626224
943583710412374
1011201020112020
1136293649303a2
12130a9bab80104
13633336ba27bb
142aa1bcd1c004
1514656e483dea
hexa2ff0d32c94

11201020112020 has 48 divisors (see below), whose sum is σ = 24389804371968. Its totient is φ = 4316435297280.

The previous prime is 11201020111999. The next prime is 11201020112027. The reversal of 11201020112020 is 2021102010211.

11201020112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020112027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40368829 + ... + 40645348.

It is an arithmetic number, because the mean of its divisors is an integer number (508120924416).

Almost surely, 211201020112020 is an apocalyptic number.

11201020112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201020112020 is an abundant number, since it is smaller than the sum of its proper divisors (13188784259948).

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

11201020112020 is a wasteful number, since it uses less digits than its factorization.

11201020112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81014440 (or 81014438 counting only the distinct ones).

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

Adding to 11201020112020 its reverse (2021102010211), we get a palindrome (13222122122231).

The spelling of 11201020112020 in words is "eleven trillion, two hundred one billion, twenty million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 223 310 446 620 892 1115 2230 4460 6913 13826 27652 34565 69130 138260 81014177 162028354 324056708 405070885 810141770 1620283540 2511439487 5022878974 10045757948 12557197435 18066161471 25114394870 36132322942 50228789740 72264645884 90330807355 180661614710 361323229420 560051005601 1120102011202 2240204022404 2800255028005 5600510056010 11201020112020