11303101203221 has 4 divisors (see below), whose sum is σ = 11362279743744. Its totient is φ = 11243922662700.

The previous prime is 11303101203203. The next prime is 11303101203223. The reversal of 11303101203221 is 12230210130311.

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 11303101203221 - 2⁶ = 11303101203157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11303101203193 and 11303101203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303101203223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29589269975 + ... + 29589270356.

It is an arithmetic number, because the mean of its divisors is an integer number (2840569935936).

Almost surely, 2^{11303101203221} is an apocalyptic number.

It is an amenable number.

11303101203221 is a deficient number, since it is larger than the sum of its proper divisors (59178540523).

11303101203221 is an equidigital number, since it uses as much as digits as its factorization.

11303101203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59178540522.

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

Adding to 11303101203221 its reverse (12230210130311), we get a palindrome (23533311333532).

The spelling of 11303101203221 in words is "eleven trillion, three hundred three billion, one hundred one million, two hundred three thousand, two hundred twenty-one".