1100191009101 has 12 divisors (see below), whose sum is σ = 1492205841312. Its totient is φ = 721029129064.

The previous prime is 1100191009063. The next prime is 1100191009117. The reversal of 1100191009101 is 1019001910011.

It is not a de Polignac number, because 1100191009101 - 2⁹ = 1100191008589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100191009301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52665561 + ... + 52686446.

It is an arithmetic number, because the mean of its divisors is an integer number (124350486776).

Almost surely, 2^{1100191009101} is an apocalyptic number.

It is an amenable number.

1100191009101 is a deficient number, since it is larger than the sum of its proper divisors (392014832211).

1100191009101 is an equidigital number, since it uses as much as digits as its factorization.

1100191009101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105352128 (or 105352069 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 24.

Adding to 1100191009101 its reverse (1019001910011), we get a palindrome (2119192919112).

The spelling of 1100191009101 in words is "one trillion, one hundred billion, one hundred ninety-one million, nine thousand, one hundred one".