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BaseRepresentation
bin1100001110101110101…
…0011110100001000011
3202002100002012020012011
43003223222132201003
511420302211223021
6240305121513351
721115530216523
oct3035352364103
9662302166164
10210112211011
1181120957a8a
123487a1a2857
1316a763371a1
14a2530d3683
1556eb0e9de1
hex30eba9e843

210112211011 has 4 divisors (see below), whose sum is σ = 210113200000. Its totient is φ = 210111222024.

The previous prime is 210112211009. The next prime is 210112211017. The reversal of 210112211011 is 110112211012.

It is a happy number.

210112211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 210112211011 - 21 = 210112211009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210112210982 and 210112211000.

It is not an unprimeable number, because it can be changed into a prime (210112211017) 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 3 ways as a sum of consecutive naturals, for example, 31011 + ... + 648988.

It is an arithmetic number, because the mean of its divisors is an integer number (52528300000).

Almost surely, 2210112211011 is an apocalyptic number.

210112211011 is a deficient number, since it is larger than the sum of its proper divisors (988989).

210112211011 is an equidigital number, since it uses as much as digits as its factorization.

210112211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988988.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210112211011 its reverse (110112211012), we get a palindrome (320224422023).

Subtracting from 210112211011 its reverse (110112211012), we obtain a palindrome (99999999999).

The spelling of 210112211011 in words is "two hundred ten billion, one hundred twelve million, two hundred eleven thousand, eleven".

Divisors: 1 308989 679999 210112211011