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11021100223 = 71574442889
BaseRepresentation
bin10100100001110100…
…01010010010111111
31001110002010220022011
422100322022102333
5140032400201343
65021340232051
7540053543350
oct122072122277
931402126264
1011021100223
11474613a7a1
122176b3b627
1310684047a3
14767a03d27
1544785b29d
hex290e8a4bf

11021100223 has 4 divisors (see below), whose sum is σ = 12595543120. Its totient is φ = 9446657328.

The previous prime is 11021100193. The next prime is 11021100241. The reversal of 11021100223 is 32200112011.

11021100223 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 an emirpimes, since its reverse is a distinct semiprime: 32200112011 = 242313289357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11021100223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021100523) 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 3 ways as a sum of consecutive naturals, for example, 787221438 + ... + 787221451.

It is an arithmetic number, because the mean of its divisors is an integer number (3148885780).

Almost surely, 211021100223 is an apocalyptic number.

11021100223 is a deficient number, since it is larger than the sum of its proper divisors (1574442897).

11021100223 is an equidigital number, since it uses as much as digits as its factorization.

11021100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574442896.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021100223 its reverse (32200112011), we get a palindrome (43221212234).

The spelling of 11021100223 in words is "eleven billion, twenty-one million, one hundred thousand, two hundred twenty-three".

Divisors: 1 7 1574442889 11021100223