11010021853 has 2 divisors, whose sum is σ = 11010021854. Its totient is φ = 11010021852.

The previous prime is 11010021839. The next prime is 11010021859. The reversal of 11010021853 is 35812001011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10710801049 + 299220804 = 103493^2 + 17298^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010021853 - 2¹⁷ = 11009890781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010021859) 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 as a sum of consecutive naturals, namely, 5505010926 + 5505010927.

It is an arithmetic number, because the mean of its divisors is an integer number (5505010927).

Almost surely, 2^11010021853 is an apocalyptic number.

It is an amenable number.

11010021853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010021853 is an equidigital number, since it uses as much as digits as its factorization.

11010021853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 11010021853 its reverse (35812001011), we get a palindrome (46822022864).

The spelling of 11010021853 in words is "eleven billion, ten million, twenty-one thousand, eight hundred fifty-three".