11213311220329 has 4 divisors (see below), whose sum is σ = 11213361826884. Its totient is φ = 11213260613776.

The previous prime is 11213311220317. The next prime is 11213311220369. The reversal of 11213311220329 is 92302211331211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4505651513104 + 6707659707225 = 2122652^2 + 2589915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213311220329 - 2¹⁷ = 11213311089257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213311220329.

It is not an unprimeable number, because it can be changed into a prime (11213311220369) 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 3 ways as a sum of consecutive naturals, for example, 24969442 + ... + 25414555.

It is an arithmetic number, because the mean of its divisors is an integer number (2803340456721).

Almost surely, 2^{11213311220329} is an apocalyptic number.

It is an amenable number.

11213311220329 is a deficient number, since it is larger than the sum of its proper divisors (50606555).

11213311220329 is an equidigital number, since it uses as much as digits as its factorization.

11213311220329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606554.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 11213311220329 in words is "eleven trillion, two hundred thirteen billion, three hundred eleven million, two hundred twenty thousand, three hundred twenty-nine".