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11201114221 = 1110161316447
BaseRepresentation
bin10100110111010001…
…10111000001101101
31001220121212120002021
422123220313001231
5140414441123341
65051250430141
7544400620453
oct123350670155
931817776067
1011201114221
1148288119a0
122207292351
1310967b1b4b
147838a29d3
154585689d1
hex29ba3706d

11201114221 has 16 divisors (see below), whose sum is σ = 12361264128. Its totient is φ = 10064952000.

The previous prime is 11201114219. The next prime is 11201114227. The reversal of 11201114221 is 12241110211.

It is a cyclic number.

It is not a de Polignac number, because 11201114221 - 21 = 11201114219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201114195 and 11201114204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201114227) 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, 672820 + ... + 689266.

It is an arithmetic number, because the mean of its divisors is an integer number (772579008).

Almost surely, 211201114221 is an apocalyptic number.

11201114221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11201114221 is a deficient number, since it is larger than the sum of its proper divisors (1160149907).

11201114221 is a wasteful number, since it uses less digits than its factorization.

11201114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17172.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11201114221 its reverse (12241110211), we get a palindrome (23442224432).

The spelling of 11201114221 in words is "eleven billion, two hundred one million, one hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 11 101 613 1111 6743 16447 61913 180917 681043 1661147 10082011 18272617 110902121 1018283111 11201114221