11203421330321 has 16 divisors (see below), whose sum is σ = 12227983762176. Its totient is φ = 10179871680000.

The previous prime is 11203421330279. The next prime is 11203421330333. The reversal of 11203421330321 is 12303312430211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11203421330321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203421390321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226806536 + ... + 226855926.

It is an arithmetic number, because the mean of its divisors is an integer number (764248985136).

Almost surely, 2^{11203421330321} is an apocalyptic number.

11203421330321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11203421330321 is a deficient number, since it is larger than the sum of its proper divisors (1024562431855).

11203421330321 is a wasteful number, since it uses less digits than its factorization.

11203421330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59224.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11203421330321 its reverse (12303312430211), we get a palindrome (23506733760532).

The spelling of 11203421330321 in words is "eleven trillion, two hundred three billion, four hundred twenty-one million, three hundred thirty thousand, three hundred twenty-one".