1100200111989 has 12 divisors (see below), whose sum is σ = 1612414489728. Its totient is φ = 666787946440.

The previous prime is 1100200111963. The next prime is 1100200112023. The reversal of 1100200111989 is 9891110020011.

It is not a de Polignac number, because 1100200111989 - 2⁹ = 1100200111477 is a prime.

It is a super-2 number, since 2×1100200111989² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100200111909) 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 11 ways as a sum of consecutive naturals, for example, 1515426789 + ... + 1515427514.

It is an arithmetic number, because the mean of its divisors is an integer number (134367874144).

Almost surely, 2^{1100200111989} is an apocalyptic number.

It is an amenable number.

1100200111989 is a deficient number, since it is larger than the sum of its proper divisors (512214377739).

1100200111989 is a wasteful number, since it uses less digits than its factorization.

1100200111989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030854328 (or 3030854317 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 1100200111989 in words is "one trillion, one hundred billion, two hundred million, one hundred eleven thousand, nine hundred eighty-nine".