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11210110111021 = 411492517310819
BaseRepresentation
bin1010001100100000111010…
…1000011000110100101101
31110200200020211220012212011
42203020032220120310231
52432131301142023041
635501504204241221
72234621656515553
oct243101650306455
943620224805764
1011210110111021
1136321a9a02168
121310717240211
136341551a4433
142aa80227dbd3
151469024dbe81
hexa320ea18d2d

11210110111021 has 16 divisors (see below), whose sum is σ = 11606657832000. Its totient is φ = 10820010640000.

The previous prime is 11210110111019. The next prime is 11210110111043. The reversal of 11210110111021 is 12011101101211.

It is a cyclic number.

It is not a de Polignac number, because 11210110111021 - 21 = 11210110111019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210110110992 and 11210110111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210110111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122051 + ... + 5188768.

It is an arithmetic number, because the mean of its divisors is an integer number (725416114500).

Almost surely, 211210110111021 is an apocalyptic number.

It is an amenable number.

11210110111021 is a deficient number, since it is larger than the sum of its proper divisors (396547720979).

11210110111021 is a wasteful number, since it uses less digits than its factorization.

11210110111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311260.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11210110111021 its reverse (12011101101211), we get a palindrome (23221211212232).

The spelling of 11210110111021 in words is "eleven trillion, two hundred ten billion, one hundred ten million, one hundred eleven thousand, twenty-one".

Divisors: 1 41 149 251 6109 10291 37399 1533359 7310819 299743579 1089312031 1835015569 44661793271 75235638329 273417319781 11210110111021