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11222110202212 = 22721324171181643
BaseRepresentation
bin1010001101001101100111…
…1001000110100101100100
31110201211020011012000022001
42203103121321012211210
52432330340202432322
635511211040015044
72235525231562300
oct243233171064544
943654204160261
1011222110202212
1136372a77162a8
121312b06001484
1363531836b600
142ab21dcc2d00
15146da5c79827
hexa34d9e46964

11222110202212 has 432 divisors, whose sum is σ = 25879925844864. Its totient is φ = 4240035072000.

The previous prime is 11222110202203. The next prime is 11222110202213. The reversal of 11222110202212 is 21220201122211.

It is a self number, because there is not a number n which added to its sum of digits gives 11222110202212.

It is not an unprimeable number, because it can be changed into a prime (11222110202213) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17452737163 + ... + 17452737805.

It is an arithmetic number, because the mean of its divisors is an integer number (59907235752).

Almost surely, 211222110202212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222110202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12939962922432).

11222110202212 is an abundant number, since it is smaller than the sum of its proper divisors (14657815642652).

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

11222110202212 is a wasteful number, since it uses less digits than its factorization.

11222110202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222110202212 its reverse (21220201122211), we get a palindrome (32442311324423).

The spelling of 11222110202212 in words is "eleven trillion, two hundred twenty-two billion, one hundred ten million, two hundred two thousand, two hundred twelve".