1111011012205 has 8 divisors (see below), whose sum is σ = 1333441422432. Its totient is φ = 888656671248.

The previous prime is 1111011012203. The next prime is 1111011012229. The reversal of 1111011012205 is 5022101101111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111011012205 - 2¹ = 1111011012203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011012203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18985179 + ... + 19043608.

It is an arithmetic number, because the mean of its divisors is an integer number (166680177804).

Almost surely, 2^{1111011012205} is an apocalyptic number.

It is an amenable number.

1111011012205 is a deficient number, since it is larger than the sum of its proper divisors (222430410227).

1111011012205 is an equidigital number, since it uses as much as digits as its factorization.

1111011012205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38034635.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 1111011012205 its reverse (5022101101111), we get a palindrome (6133112113316).

The spelling of 1111011012205 in words is "one trillion, one hundred eleven billion, eleven million, twelve thousand, two hundred five".