11221313213 has 8 divisors (see below), whose sum is σ = 12245039616. Its totient is φ = 10198188000.

The previous prime is 11221313203. The next prime is 11221313231. The reversal of 11221313213 is 31231312211.

It is a happy number.

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

It is not a de Polignac number, because 11221313213 - 2⁴ = 11221313197 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 (11221313203) 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, 110813 + ... + 186338.

It is an arithmetic number, because the mean of its divisors is an integer number (1530629952).

Almost surely, 2^11221313213 is an apocalyptic number.

It is an amenable number.

11221313213 is a deficient number, since it is larger than the sum of its proper divisors (1023726403).

11221313213 is a wasteful number, since it uses less digits than its factorization.

11221313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300595.

The product of its digits is 216, while the sum is 20.

Adding to 11221313213 its reverse (31231312211), we get a palindrome (42452625424).

The spelling of 11221313213 in words is "eleven billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirteen".