11333220311 has 8 divisors (see below), whose sum is σ = 12965435904. Its totient is φ = 9704300760.

The previous prime is 11333220299. The next prime is 11333220319. The reversal of 11333220311 is 11302233311.

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

It is not a de Polignac number, because 11333220311 - 2¹⁴ = 11333203927 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 (11333220319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816635 + ... + 830396.

It is an arithmetic number, because the mean of its divisors is an integer number (1620679488).

Almost surely, 2^11333220311 is an apocalyptic number.

11333220311 is a deficient number, since it is larger than the sum of its proper divisors (1632215593).

11333220311 is an equidigital number, since it uses as much as digits as its factorization.

11333220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648021.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11333220311 its reverse (11302233311), we get a palindrome (22635453622).

The spelling of 11333220311 in words is "eleven billion, three hundred thirty-three million, two hundred twenty thousand, three hundred eleven".