11222331321011 has 4 divisors (see below), whose sum is σ = 11223118812024. Its totient is φ = 11221543830000.

The previous prime is 11222331320989. The next prime is 11222331321013. The reversal of 11222331321011 is 11012313322211.

It is a happy number.

11222331321011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11222331321011 - 2⁶ = 11222331320947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222331321013) 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, 393724130 + ... + 393752631.

It is an arithmetic number, because the mean of its divisors is an integer number (2805779703006).

Almost surely, 2^{11222331321011} is an apocalyptic number.

11222331321011 is a deficient number, since it is larger than the sum of its proper divisors (787491013).

11222331321011 is an equidigital number, since it uses as much as digits as its factorization.

11222331321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787491012.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11222331321011 its reverse (11012313322211), we get a palindrome (22234644643222).

The spelling of 11222331321011 in words is "eleven trillion, two hundred twenty-two billion, three hundred thirty-one million, three hundred twenty-one thousand, eleven".