11221321100303 has 16 divisors (see below), whose sum is σ = 11880414696480. Its totient is φ = 10580463927936.

The previous prime is 11221321100293. The next prime is 11221321100359. The reversal of 11221321100303 is 30300112312211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11221321100303 - 2¹⁴ = 11221321083919 is a prime.

It is a super-2 number, since 2×11221321100303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221321100903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5952401 + ... + 7607477.

It is an arithmetic number, because the mean of its divisors is an integer number (742525918530).

Almost surely, 2^{11221321100303} is an apocalyptic number.

11221321100303 is a deficient number, since it is larger than the sum of its proper divisors (659093596177).

11221321100303 is a wasteful number, since it uses less digits than its factorization.

11221321100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660586.

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

Adding to 11221321100303 its reverse (30300112312211), we get a palindrome (41521433412514).

The spelling of 11221321100303 in words is "eleven trillion, two hundred twenty-one billion, three hundred twenty-one million, one hundred thousand, three hundred three".