1100020000999 has 4 divisors (see below), whose sum is σ = 1110300561864. Its totient is φ = 1089739440136.

The previous prime is 1100020000987. The next prime is 1100020001033. The reversal of 1100020000999 is 9990000200011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100020000999 - 2⁹ = 1100020000487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100020000999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020000939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5140280272 + ... + 5140280485.

It is an arithmetic number, because the mean of its divisors is an integer number (277575140466).

Almost surely, 2^{1100020000999} is an apocalyptic number.

1100020000999 is a deficient number, since it is larger than the sum of its proper divisors (10280560865).

1100020000999 is a wasteful number, since it uses less digits than its factorization.

1100020000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280560864.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 1100020000999 in words is "one trillion, one hundred billion, twenty million, nine hundred ninety-nine", and thus it is an aban number.