11021100020873 has 2 divisors, whose sum is σ = 11021100020874. Its totient is φ = 11021100020872.

The previous prime is 11021100020857. The next prime is 11021100021031. The reversal of 11021100020873 is 37802000112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5957758485904 + 5063341534969 = 2440852^2 + 2250187^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021100020873 - 2⁴ = 11021100020857 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021100023873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510550010436 + 5510550010437.

It is an arithmetic number, because the mean of its divisors is an integer number (5510550010437).

Almost surely, 2^{11021100020873} is an apocalyptic number.

It is an amenable number.

11021100020873 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021100020873 is an equidigital number, since it uses as much as digits as its factorization.

11021100020873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 11021100020873 its reverse (37802000112011), we get a palindrome (48823100132884).

The spelling of 11021100020873 in words is "eleven trillion, twenty-one billion, one hundred million, twenty thousand, eight hundred seventy-three".