1111320222013 has 8 divisors (see below), whose sum is σ = 1114116607800. Its totient is φ = 1108524223488.

The previous prime is 1111320222011. The next prime is 1111320222031. The reversal of 1111320222013 is 3102220231111.

It can be written as a sum of positive squares in 4 ways, for example, as 245875156164 + 865445065849 = 495858^2 + 930293^2 .

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 1111320222013 - 2¹ = 1111320222011 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 (1111320222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156045 + ... + 6333997.

It is an arithmetic number, because the mean of its divisors is an integer number (139264575975).

Almost surely, 2^{1111320222013} is an apocalyptic number.

It is an amenable number.

1111320222013 is a deficient number, since it is larger than the sum of its proper divisors (2796385787).

1111320222013 is a wasteful number, since it uses less digits than its factorization.

1111320222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193631.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1111320222013 its reverse (3102220231111), we get a palindrome (4213540453124).

The spelling of 1111320222013 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred twenty-two thousand, thirteen".