11021100023873 has 2 divisors, whose sum is σ = 11021100023874. Its totient is φ = 11021100023872.

The previous prime is 11021100023827. The next prime is 11021100023891. The reversal of 11021100023873 is 37832000112011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9468464405569 + 1552635618304 = 3077087^2 + 1246048^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021100023873 - 2¹² = 11021100019777 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021100020873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510550011936 + 5510550011937.

It is an arithmetic number, because the mean of its divisors is an integer number (5510550011937).

Almost surely, 2^{11021100023873} is an apocalyptic number.

It is an amenable number.

11021100023873 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021100023873 is an equidigital number, since it uses as much as digits as its factorization.

11021100023873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 11021100023873 its reverse (37832000112011), we get a palindrome (48853100135884).

The spelling of 11021100023873 in words is "eleven trillion, twenty-one billion, one hundred million, twenty-three thousand, eight hundred seventy-three".