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11210101012020 = 22352511432151977
BaseRepresentation
bin1010001100100000111000…
…0101101011011000110100
31110200200020012202221101010
42203020032011223120310
52432131241324341040
635501503241232220
72234621516261061
oct243101605533064
943620205687333
1011210101012020
1136321a4857a29
121310714192670
13634153339a01
142aa800d91c68
151469017e0e80
hexa320e16b634

11210101012020 has 96 divisors (see below), whose sum is σ = 31516142587776. Its totient is φ = 2977185280000.

The previous prime is 11210101012001. The next prime is 11210101012057. The reversal of 11210101012020 is 2021010101211.

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 = 11210101011987 and 11210101012005.

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, 215648272 + ... + 215700248.

It is an arithmetic number, because the mean of its divisors is an integer number (328293151956).

Almost surely, 211210101012020 is an apocalyptic number.

11210101012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210101012020 is an abundant number, since it is smaller than the sum of its proper divisors (20306041575756).

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

11210101012020 is a wasteful number, since it uses less digits than its factorization.

11210101012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66561 (or 66559 counting only the distinct ones).

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

Adding to 11210101012020 its reverse (2021010101211), we get a palindrome (13231111113231).

The spelling of 11210101012020 in words is "eleven trillion, two hundred ten billion, one hundred one million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 251 502 753 1004 1255 1506 2510 3012 3765 5020 7530 14321 15060 28642 42963 51977 57284 71605 85926 103954 143210 155931 171852 207908 214815 259885 286420 311862 429630 519770 623724 779655 859260 1039540 1559310 3118620 3594571 7189142 10783713 13046227 14378284 17972855 21567426 26092454 35945710 39138681 43134852 52184908 53918565 65231135 71891420 78277362 107837130 130462270 156554724 195693405 215674260 260924540 391386810 744362617 782773620 1488725234 2233087851 2977450468 3721813085 4466175702 7443626170 8932351404 11165439255 14887252340 22330878510 44661757020 186835016867 373670033734 560505050601 747340067468 934175084335 1121010101202 1868350168670 2242020202404 2802525253005 3736700337340 5605050506010 11210101012020