1100111012205 has 8 divisors (see below), whose sum is σ = 1760177619552. Its totient is φ = 586725873168.

The previous prime is 1100111012141. The next prime is 1100111012251. The reversal of 1100111012205 is 5022101110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100111012205 - 2⁶ = 1100111012141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 73340734147 = 1100111012205 / (1 + 1 + 0 + 0 + 1 + 1 + 1 + 0 + 1 + 2 + 2 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36670367059 + ... + 36670367088.

It is an arithmetic number, because the mean of its divisors is an integer number (220022202444).

Almost surely, 2^{1100111012205} is an apocalyptic number.

1100111012205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1100111012205 is a deficient number, since it is larger than the sum of its proper divisors (660066607347).

1100111012205 is an equidigital number, since it uses as much as digits as its factorization.

1100111012205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73340734155.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 1100111012205 its reverse (5022101110011), we get a palindrome (6122212122216).

The spelling of 1100111012205 in words is "one trillion, one hundred billion, one hundred eleven million, twelve thousand, two hundred five".