Search a number
-
+
11003111232221 is a prime number
BaseRepresentation
bin1010000000011101110010…
…0010010101001011011101
31102221212221201222122120102
42200013130202111023131
52420233332433412341
635222432020030445
72213643232212233
oct240073442251335
942855851878512
1011003111232221
113562436492809
121298587832425
1361a786b82774
142a07a6854953
151413398c0c9b
hexa01dc8952dd

11003111232221 has 2 divisors, whose sum is σ = 11003111232222. Its totient is φ = 11003111232220.

The previous prime is 11003111232143. The next prime is 11003111232251. The reversal of 11003111232221 is 12223211130011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6671243265625 + 4331867966596 = 2582875^2 + 2081314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11003111232221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11003111232193 and 11003111232202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003111232251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501555616110 + 5501555616111.

It is an arithmetic number, because the mean of its divisors is an integer number (5501555616111).

Almost surely, 211003111232221 is an apocalyptic number.

It is an amenable number.

11003111232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003111232221 is an equidigital number, since it uses as much as digits as its factorization.

11003111232221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11003111232221 its reverse (12223211130011), we get a palindrome (23226322362232).

The spelling of 11003111232221 in words is "eleven trillion, three billion, one hundred eleven million, two hundred thirty-two thousand, two hundred twenty-one".