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11022210221 = 119091110221
BaseRepresentation
bin10100100001111100…
…11001010010101101
31001110011020021221012
422100332121102231
5140033141211341
65021420115005
7540066145451
oct122076312255
931404207835
1011022210221
114746828750
122177395a65
131068702aa9
14767c12661
154479ca0eb
hex290f994ad

11022210221 has 8 divisors (see below), whose sum is σ = 12025661088. Its totient is φ = 10018998000.

The previous prime is 11022210191. The next prime is 11022210281. The reversal of 11022210221 is 12201222011.

11022210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11022210221 - 210 = 11022209197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022210196 and 11022210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022210281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44891 + ... + 155111.

It is an arithmetic number, because the mean of its divisors is an integer number (1503207636).

Almost surely, 211022210221 is an apocalyptic number.

11022210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11022210221 is a deficient number, since it is larger than the sum of its proper divisors (1003450867).

11022210221 is a wasteful number, since it uses less digits than its factorization.

11022210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119323.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11022210221 its reverse (12201222011), we get a palindrome (23223432232).

The spelling of 11022210221 in words is "eleven billion, twenty-two million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 11 9091 100001 110221 1212431 1002019111 11022210221