11343203221 has 8 divisors (see below), whose sum is σ = 12969699264. Its totient is φ = 9718216800.

The previous prime is 11343203219. The next prime is 11343203237. The reversal of 11343203221 is 12230234311.

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 11343203221 - 2¹ = 11343203219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11343203192 and 11343203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343203251) 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, 361255 + ... + 391396.

It is an arithmetic number, because the mean of its divisors is an integer number (1621212408).

Almost surely, 2^11343203221 is an apocalyptic number.

It is an amenable number.

11343203221 is a deficient number, since it is larger than the sum of its proper divisors (1626496043).

11343203221 is an equidigital number, since it uses as much as digits as its factorization.

11343203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754811.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11343203221 its reverse (12230234311), we get a palindrome (23573437532).

It can be divided in two parts, 11343203 and 221, that added together give a square (11343424 = 3368²).

The spelling of 11343203221 in words is "eleven billion, three hundred forty-three million, two hundred three thousand, two hundred twenty-one".