11103301203221 has 4 divisors (see below), whose sum is σ = 11586053429472. Its totient is φ = 10620548976972.

The previous prime is 11103301203191. The next prime is 11103301203223. The reversal of 11103301203221 is 12230210330111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11103301203221 - 2²² = 11103297008917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103301203193 and 11103301203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103301203223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241376113091 + ... + 241376113136.

It is an arithmetic number, because the mean of its divisors is an integer number (2896513357368).

Almost surely, 2^{11103301203221} is an apocalyptic number.

It is an amenable number.

11103301203221 is a deficient number, since it is larger than the sum of its proper divisors (482752226251).

11103301203221 is an equidigital number, since it uses as much as digits as its factorization.

11103301203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482752226250.

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

Adding to 11103301203221 its reverse (12230210330111), we get a palindrome (23333511533332).

The spelling of 11103301203221 in words is "eleven trillion, one hundred three billion, three hundred one million, two hundred three thousand, two hundred twenty-one".