1011320404213 has 4 divisors (see below), whose sum is σ = 1155794747680. Its totient is φ = 866846060748.

The previous prime is 1011320404169. The next prime is 1011320404219. The reversal of 1011320404213 is 3124040231101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011320404213 - 2¹⁷ = 1011320273141 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 (1011320404219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72237171723 + ... + 72237171736.

It is an arithmetic number, because the mean of its divisors is an integer number (288948686920).

Almost surely, 2^{1011320404213} is an apocalyptic number.

It is an amenable number.

1011320404213 is a deficient number, since it is larger than the sum of its proper divisors (144474343467).

1011320404213 is an equidigital number, since it uses as much as digits as its factorization.

1011320404213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144474343466.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1011320404213 its reverse (3124040231101), we get a palindrome (4135360635314).

The spelling of 1011320404213 in words is "one trillion, eleven billion, three hundred twenty million, four hundred four thousand, two hundred thirteen".