1100110189 has 2 divisors, whose sum is σ = 1100110190. Its totient is φ = 1100110188.

The previous prime is 1100110181. The next prime is 1100110211. The reversal of 1100110189 is 9810110011.

It is an a-pointer prime, because the next prime (1100110211) can be obtained adding 1100110189 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928238089 + 171872100 = 30467^2 + 13110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100110189 - 2³ = 1100110181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100110181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055094 + 550055095.

It is an arithmetic number, because the mean of its divisors is an integer number (550055095).

Almost surely, 2^1100110189 is an apocalyptic number.

It is an amenable number.

1100110189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100110189 is an equidigital number, since it uses as much as digits as its factorization.

1100110189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The square root of 1100110189 is about 33167.9090236331. The cubic root of 1100110189 is about 1032.3145827642.

The spelling of 1100110189 in words is "one billion, one hundred million, one hundred ten thousand, one hundred eighty-nine".