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11022330221 = 71574618603
BaseRepresentation
bin10100100001111101…
…10110100101101101
31001110011110101112122
422100332312211231
5140033204031341
65021422442325
7540100155350
oct122076664555
931404411478
1011022330221
1147468aa921
1221774333a5
1310687455b6
14767c44297
15447a0094b
hex290fb696d

11022330221 has 4 divisors (see below), whose sum is σ = 12596948832. Its totient is φ = 9447711612.

The previous prime is 11022330203. The next prime is 11022330257. The reversal of 11022330221 is 12203322011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12203322011 = 19963611297.

It is a cyclic number.

It is not a de Polignac number, because 11022330221 - 214 = 11022313837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022330281) 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, 787309295 + ... + 787309308.

It is an arithmetic number, because the mean of its divisors is an integer number (3149237208).

Almost surely, 211022330221 is an apocalyptic number.

It is an amenable number.

11022330221 is a deficient number, since it is larger than the sum of its proper divisors (1574618611).

11022330221 is an equidigital number, since it uses as much as digits as its factorization.

11022330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574618610.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11022330221 its reverse (12203322011), we get a palindrome (23225652232).

The spelling of 11022330221 in words is "eleven billion, twenty-two million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 7 1574618603 11022330221