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11010001222220 = 22571113656983719
BaseRepresentation
bin1010000000110111011100…
…1101100011101001001100
31102222112201220201102000012
42200031313031203221030
52420341440303102340
635225531424252352
72214306044155520
oct240156715435114
942875656642005
1011010001222220
113565351729220
12129998b1710b8
1361b31444b920
142a0c5b935d80
151415de709565
hexa0377363a4c

11010001222220 has 192 divisors, whose sum is σ = 31048680499200. Its totient is φ = 3167192586240.

The previous prime is 11010001222063. The next prime is 11010001222243. The reversal of 11010001222220 is 2222210001011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11010001222195 and 11010001222204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131469521 + ... + 131553239.

It is an arithmetic number, because the mean of its divisors is an integer number (161711877600).

Almost surely, 211010001222220 is an apocalyptic number.

11010001222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010001222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15524340249600).

11010001222220 is an abundant number, since it is smaller than the sum of its proper divisors (20038679276980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11010001222220 is a wasteful number, since it uses less digits than its factorization.

11010001222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90328 (or 90326 counting only the distinct ones).

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

Adding to 11010001222220 its reverse (2222210001011), we get a palindrome (13232211223231).

The spelling of 11010001222220 in words is "eleven trillion, ten billion, one million, two hundred twenty-two thousand, two hundred twenty".