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11212102110111 = 371019523954489
BaseRepresentation
bin1010001100101000010101…
…0111010000101110011111
31110200212101200012020220020
42203022011113100232133
52432144341120010421
635502434003523223
72235022225315230
oct243120527205637
943625350166806
1011212102110111
113633031384601
121310b92389513
136343b1aa9b16
142aa950a55087
151469bc31ddc6
hexa32855d0b9f

11212102110111 has 16 divisors (see below), whose sum is σ = 17101874553600. Its totient is φ = 6400628025408.

The previous prime is 11212102110091. The next prime is 11212102110133. The reversal of 11212102110111 is 11101120121211.

11212102110111 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 11212102110111 - 26 = 11212102110047 is a prime.

It is a super-2 number, since 2×112121021101112 (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 (11212102114111) 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, 261955846 + ... + 261998643.

It is an arithmetic number, because the mean of its divisors is an integer number (1068867159600).

Almost surely, 211212102110111 is an apocalyptic number.

11212102110111 is a deficient number, since it is larger than the sum of its proper divisors (5889772443489).

11212102110111 is a wasteful number, since it uses less digits than its factorization.

11212102110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523955518.

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

Adding to 11212102110111 its reverse (11101120121211), we get a palindrome (22313222231322).

The spelling of 11212102110111 in words is "eleven trillion, two hundred twelve billion, one hundred two million, one hundred ten thousand, one hundred eleven".

Divisors: 1 3 7 21 1019 3057 7133 21399 523954489 1571863467 3667681423 11003044269 533909624291 1601728872873 3737367370037 11212102110111