1100101001189 has 2 divisors, whose sum is σ = 1100101001190. Its totient is φ = 1100101001188.

The previous prime is 1100101001161. The next prime is 1100101001203. The reversal of 1100101001189 is 9811001010011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094586750625 + 5514250564 = 1046225^2 + 74258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100101001189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100101000189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050500594 + 550050500595.

It is an arithmetic number, because the mean of its divisors is an integer number (550050500595).

Almost surely, 2^{1100101001189} is an apocalyptic number.

It is an amenable number.

1100101001189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100101001189 is an equidigital number, since it uses as much as digits as its factorization.

1100101001189 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 23.

The spelling of 1100101001189 in words is "one trillion, one hundred billion, one hundred one million, one thousand, one hundred eighty-nine".