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11101022210020 = 2251813066580721
BaseRepresentation
bin1010000110001010100001…
…1111000100011111100100
31110022020200022202200002111
42201202220133010133210
52423334343141210040
635335423400050404
72224010451615061
oct241425037043744
943266608680074
1011101022210020
11359aa0a6a8586
1212b3551a63a04
13626a8b948ca2
142a5414285c68
15143b6a510dea
hexa18a87c47e4

11101022210020 has 24 divisors (see below), whose sum is σ = 23440943038968. Its totient is φ = 4415876236800.

The previous prime is 11101022210011. The next prime is 11101022210023. The reversal of 11101022210020 is 2001222010111.

It can be written as a sum of positive squares in 4 ways, for example, as 1425239619556 + 9675782590464 = 1193834^2 + 3110592^2 .

It is not an unprimeable number, because it can be changed into a prime (11101022210023) 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, 1533286741 + ... + 1533293980.

It is an arithmetic number, because the mean of its divisors is an integer number (976705959957).

Almost surely, 211101022210020 is an apocalyptic number.

11101022210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101022210020 is an abundant number, since it is smaller than the sum of its proper divisors (12339920828948).

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

11101022210020 is a wasteful number, since it uses less digits than its factorization.

11101022210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066580911 (or 3066580909 counting only the distinct ones).

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

Adding to 11101022210020 its reverse (2001222010111), we get a palindrome (13102244220131).

The spelling of 11101022210020 in words is "eleven trillion, one hundred one billion, twenty-two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 1810 3620 3066580721 6133161442 12266322884 15332903605 30665807210 61331614420 555051110501 1110102221002 2220204442004 2775255552505 5550511105010 11101022210020