1110099585821 has 2 divisors, whose sum is σ = 1110099585822. Its totient is φ = 1110099585820.

The previous prime is 1110099585811. The next prime is 1110099585857. The reversal of 1110099585821 is 1285859900111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796045821796 + 314053764025 = 892214^2 + 560405^2 .

It is an emirp because it is prime and its reverse (1285859900111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110099585821 - 2⁶ = 1110099585757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110099585821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110099585811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555049792910 + 555049792911.

It is an arithmetic number, because the mean of its divisors is an integer number (555049792911).

Almost surely, 2^{1110099585821} is an apocalyptic number.

It is an amenable number.

1110099585821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110099585821 is an equidigital number, since it uses as much as digits as its factorization.

1110099585821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 50.

The spelling of 1110099585821 in words is "one trillion, one hundred ten billion, ninety-nine million, five hundred eighty-five thousand, eight hundred twenty-one".