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11102020111210 = 257532992458251
BaseRepresentation
bin1010000110001110001111…
…1101110000101101101010
31110022100020212111022011211
42201203203331300231222
52423343414122024320
635340110404343334
72224044256625020
oct241434375605552
943270225438154
1011102020111210
1135a0381a18506
1212b37900a4b4a
13626bba5cca72
142a54aaa08710
15143bc7e2a55a
hexa18e3f70b6a

11102020111210 has 32 divisors (see below), whose sum is σ = 23269355367552. Its totient is φ = 3734587896000.

The previous prime is 11102020111181. The next prime is 11102020111241. The reversal of 11102020111210 is 1211102020111.

It is a happy number.

It is a super-3 number, since 3×111020201112103 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496225416 + ... + 1496232835.

It is an arithmetic number, because the mean of its divisors is an integer number (727167355236).

Almost surely, 211102020111210 is an apocalyptic number.

11102020111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11102020111210 is an abundant number, since it is smaller than the sum of its proper divisors (12167335256342).

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

11102020111210 is a wasteful number, since it uses less digits than its factorization.

11102020111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992458318.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11102020111210 its reverse (1211102020111), we get a palindrome (12313122131321).

The spelling of 11102020111210 in words is "eleven trillion, one hundred two billion, twenty million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 2992458251 5984916502 14962291255 20947207757 29924582510 41894415514 104736038785 158600287303 209472077570 317200574606 793001436515 1110202011121 1586002873030 2220404022242 5551010055605 11102020111210