2189110000 has 200 divisors, whose sum is σ = 6610184064. Its totient is φ = 682080000.

The previous prime is 2189109997. The next prime is 2189110067. The reversal of 2189110000 is 119812.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 768579 + ... + 771421.

Almost surely, 2^2189110000 is an apocalyptic number.

2189110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2189110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305092032).

2189110000 is an abundant number, since it is smaller than the sum of its proper divisors (4421074064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2189110000 is a wasteful number, since it uses less digits than its factorization.

2189110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 2189110000 is about 46787.9257928795. The cubic root of 2189110000 is about 1298.4419203343.

Adding to 2189110000 its reverse (119812), we get a palindrome (2189229812).

The spelling of 2189110000 in words is "two billion, one hundred eighty-nine million, one hundred ten thousand".