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11212112002201 = 111799103625543
BaseRepresentation
bin1010001100101000010111…
…1100111111110010011001
31110200212102100210211021221
42203022011330333302121
52432144401133032301
635502434555532041
72235022405355155
oct243120574776231
943625370724257
1011212112002201
113633036a20690
121310b9575a021
136343b3b61526
142aa9520ac065
151469bd124da1
hexa3285f3fc99

11212112002201 has 16 divisors (see below), whose sum is σ = 12301097564160. Its totient is φ = 10134756245520.

The previous prime is 11212112002187. The next prime is 11212112002237. The reversal of 11212112002201 is 10220021121211.

It is a cyclic number.

It is not a de Polignac number, because 11212112002201 - 27 = 11212112002073 is a prime.

It is a super-2 number, since 2×112121120022012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212112002001) 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, 17611036 + ... + 18236578.

It is an arithmetic number, because the mean of its divisors is an integer number (768818597760).

Almost surely, 211212112002201 is an apocalyptic number.

11212112002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212112002201 is a deficient number, since it is larger than the sum of its proper divisors (1088985561959).

11212112002201 is a wasteful number, since it uses less digits than its factorization.

11212112002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634836.

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

Adding to 11212112002201 its reverse (10220021121211), we get a palindrome (21432133123412).

The spelling of 11212112002201 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, two thousand, two hundred one".

Divisors: 1 11 179 1969 9103 100133 625543 1629437 6880973 17923807 111972197 1231694167 5694317929 62637497219 1019282909291 11212112002201