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11212110202111 = 713196484736959
BaseRepresentation
bin1010001100101000010111…
…0110001000010011111111
31110200212102020102101000221
42203022011312020103333
52432144400202431421
635502434453202211
72235022354150120
oct243120566102377
943625366371027
1011212110202111
113633035a01205
121310b95030367
136343b36810a0
142aa951b60047
151469bcdbb841
hexa3285d884ff

11212110202111 has 16 divisors (see below), whose sum is σ = 14525810790400. Its totient is φ = 8404219097568.

The previous prime is 11212110202109. The next prime is 11212110202133. The reversal of 11212110202111 is 11120201121211.

11212110202111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11212110202111 - 21 = 11212110202109 is a prime.

It is a super-2 number, since 2×112121102021112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212110232111) 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, 3242366751 + ... + 3242370208.

It is an arithmetic number, because the mean of its divisors is an integer number (907863174400).

Almost surely, 211212110202111 is an apocalyptic number.

11212110202111 is a deficient number, since it is larger than the sum of its proper divisors (3313700588289).

11212110202111 is a wasteful number, since it uses less digits than its factorization.

11212110202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484736998.

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

Adding to 11212110202111 its reverse (11120201121211), we get a palindrome (22332311323322).

The spelling of 11212110202111 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, two hundred two thousand, one hundred eleven".

Divisors: 1 7 13 19 91 133 247 1729 6484736959 45393158713 84301580467 123210002221 590111063269 862470015547 1601730028873 11212110202111