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11011210021020 = 22351136745459541
BaseRepresentation
bin1010000000111011111101…
…0000110000100010011100
31102222122212011021202020010
42200032333100300202130
52420401424231133040
635230251405123220
72214351022611336
oct240167720604234
942878764252203
1011011210021020
113565911aa46a0
12129a067b59510
1361b477a03ca1
142a0d342b6456
151416608d1e80
hexa03bf43089c

11011210021020 has 96 divisors (see below), whose sum is σ = 33725888695296. Its totient is φ = 2662110662400.

The previous prime is 11011210020947. The next prime is 11011210021069. The reversal of 11011210021020 is 2012001211011.

It is a super-2 number, since 2×110112100210202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11011210020987 and 11011210021005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22487551 + ... + 22971990.

It is an arithmetic number, because the mean of its divisors is an integer number (351311340576).

Almost surely, 211011210021020 is an apocalyptic number.

11011210021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011210021020 is an abundant number, since it is smaller than the sum of its proper divisors (22714678674276).

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

11011210021020 is a wasteful number, since it uses less digits than its factorization.

11011210021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45459931 (or 45459929 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011210021020 its reverse (2012001211011), we get a palindrome (13023211232031).

The spelling of 11011210021020 in words is "eleven trillion, eleven billion, two hundred ten million, twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 367 660 734 1101 1468 1835 2202 3670 4037 4404 5505 7340 8074 11010 12111 16148 20185 22020 24222 40370 48444 60555 80740 121110 242220 45459541 90919082 136378623 181838164 227297705 272757246 454595410 500054951 545514492 681893115 909190820 1000109902 1363786230 1500164853 2000219804 2500274755 2727572460 3000329706 5000549510 6000659412 7500824265 10001099020 15001648530 16683651547 30003297060 33367303094 50050954641 66734606188 83418257735 100101909282 166836515470 183520167017 200203818564 250254773205 333673030940 367040334034 500509546410 550560501051 734080668068 917600835085 1001019092820 1101121002102 1835201670170 2202242004204 2752802505255 3670403340340 5505605010510 11011210021020