11221213333 has 8 divisors (see below), whose sum is σ = 12252296160. Its totient is φ = 10191959280.

The previous prime is 11221213301. The next prime is 11221213391. The reversal of 11221213333 is 33331212211.

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 11221213333 - 2⁵ = 11221213301 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 (11221213433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444343 + ... + 468916.

It is an arithmetic number, because the mean of its divisors is an integer number (1531537020).

Almost surely, 2^11221213333 is an apocalyptic number.

It is an amenable number.

11221213333 is a deficient number, since it is larger than the sum of its proper divisors (1031082827).

11221213333 is a wasteful number, since it uses less digits than its factorization.

11221213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914387.

The product of its digits is 648, while the sum is 22.

Adding to 11221213333 its reverse (33331212211), we get a palindrome (44552425544).

The spelling of 11221213333 in words is "eleven billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred thirty-three".