1100201000989 has 8 divisors (see below), whose sum is σ = 1106728339808. Its totient is φ = 1093678595280.

The previous prime is 1100201000959. The next prime is 1100201000999. The reversal of 1100201000989 is 9890001020011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100201000989 - 2²⁷ = 1100066783261 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 1100201000989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201000959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785427 + ... + 1678480.

It is an arithmetic number, because the mean of its divisors is an integer number (138341042476).

Almost surely, 2^{1100201000989} is an apocalyptic number.

It is an amenable number.

1100201000989 is a deficient number, since it is larger than the sum of its proper divisors (6527338819).

1100201000989 is a wasteful number, since it uses less digits than its factorization.

1100201000989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466555.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 1100201000989 in words is "one trillion, one hundred billion, two hundred one million, nine hundred eighty-nine", and thus it is an aban number.