11342304221 has 8 divisors (see below), whose sum is σ = 11368027704. Its totient is φ = 11316602880.

The previous prime is 11342304217. The next prime is 11342304257. The reversal of 11342304221 is 12240324311.

It can be written as a sum of positive squares in 4 ways, for example, as 4199688025 + 7142616196 = 64805^2 + 84514^2 .

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 11342304221 - 2² = 11342304217 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 (11342304121) 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, 1404431 + ... + 1412483.

It is an arithmetic number, because the mean of its divisors is an integer number (1421003463).

Almost surely, 2^11342304221 is an apocalyptic number.

It is an amenable number.

11342304221 is a deficient number, since it is larger than the sum of its proper divisors (25723483).

11342304221 is an equidigital number, since it uses as much as digits as its factorization.

11342304221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11342304221 its reverse (12240324311), we get a palindrome (23582628532).

The spelling of 11342304221 in words is "eleven billion, three hundred forty-two million, three hundred four thousand, two hundred twenty-one".