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11211121012101 = 36018237754891
BaseRepresentation
bin1010001100100100101011…
…1000101010110110000101
31110200202212022002022102220
42203021022320222312011
52432140333434341401
635502152355322553
72234656013161203
oct243111270526605
943622768068386
1011211121012101
1136326785a10aa
1213109598b0459
1363428675a35a
142aa89a628073
15146961123336
hexa324ae2ad85

11211121012101 has 16 divisors (see below), whose sum is σ = 14974871112768. Its totient is φ = 7460728848000.

The previous prime is 11211121012031. The next prime is 11211121012109. The reversal of 11211121012101 is 10121012111211.

It is not a de Polignac number, because 11211121012101 - 214 = 11211120995717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211121012109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14473866 + ... + 15228756.

It is an arithmetic number, because the mean of its divisors is an integer number (935929444548).

Almost surely, 211211121012101 is an apocalyptic number.

It is an amenable number.

11211121012101 is a deficient number, since it is larger than the sum of its proper divisors (3763750100667).

11211121012101 is an equidigital number, since it uses as much as digits as its factorization.

11211121012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763732.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11211121012101 its reverse (10121012111211), we get a palindrome (21332133123312).

The spelling of 11211121012101 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-one million, twelve thousand, one hundred one".

Divisors: 1 3 601 1803 8237 24711 754891 2264673 4950437 14851311 453689491 1361068473 6218037167 18654111501 3737040337367 11211121012101