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11102201210020 = 22510931264140177
BaseRepresentation
bin1010000110001110111011…
…0000100110010010100100
31110022100201111021002001011
42201203232300212102210
52423344302002210040
635340140354112004
72224051616140624
oct241435660462244
943270644232034
1011102201210020
1135a0465170748
1212b382087b604
13626c18c99b1b
142a54c6aaa884
15143bd8c9e3ea
hexa18eec264a4

11102201210020 has 48 divisors (see below), whose sum is σ = 23338380321648. Its totient is φ = 4436356055040.

The previous prime is 11102201209973. The next prime is 11102201210027. The reversal of 11102201210020 is 2001210220111.

It can be written as a sum of positive squares in 8 ways, for example, as 239745371044 + 10862455838976 = 489638^2 + 3295824^2 .

It is not an unprimeable number, because it can be changed into a prime (11102201210027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276312172 + ... + 276352348.

It is an arithmetic number, because the mean of its divisors is an integer number (486216256701).

Almost surely, 211102201210020 is an apocalyptic number.

11102201210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102201210020 is an abundant number, since it is smaller than the sum of its proper divisors (12236179111628).

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

11102201210020 is a wasteful number, since it uses less digits than its factorization.

11102201210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53920 (or 53918 counting only the distinct ones).

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

Adding to 11102201210020 its reverse (2001210220111), we get a palindrome (13103411430131).

The spelling of 11102201210020 in words is "eleven trillion, one hundred two billion, two hundred one million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 1093 2186 4372 5465 10930 12641 21860 25282 40177 50564 63205 80354 126410 160708 200885 252820 401770 803540 13816613 27633226 43913461 55266452 69083065 87826922 138166130 175653844 219567305 276332260 439134610 507877457 878269220 1015754914 2031509828 2539387285 5078774570 10157549140 555110060501 1110220121002 2220440242004 2775550302505 5551100605010 11102201210020