2221321344203 has 8 divisors (see below), whose sum is σ = 2402919539328. Its totient is φ = 2041255623744.

The previous prime is 2221321344197. The next prime is 2221321344287. The reversal of 2221321344203 is 3024431231222.

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 2221321344203 - 2⁸ = 2221321343947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221321344503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383115650 + ... + 383121447.

It is an arithmetic number, because the mean of its divisors is an integer number (300364942416).

Almost surely, 2^{2221321344203} is an apocalyptic number.

2221321344203 is a deficient number, since it is larger than the sum of its proper divisors (181598195125).

2221321344203 is a wasteful number, since it uses less digits than its factorization.

2221321344203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766237333.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2221321344203 its reverse (3024431231222), we get a palindrome (5245752575425).

The spelling of 2221321344203 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred forty-four thousand, two hundred three".