11303202212221 has 8 divisors (see below), whose sum is σ = 11363670654840. Its totient is φ = 11242889818368.

The previous prime is 11303202212213. The next prime is 11303202212227. The reversal of 11303202212221 is 12221220230311.

It can be written as a sum of positive squares in 4 ways, for example, as 3431333892996 + 7871868319225 = 1852386^2 + 2805685^2 .

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 11303202212221 - 2³ = 11303202212213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303202212192 and 11303202212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303202212227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38866936 + ... + 39156673.

It is an arithmetic number, because the mean of its divisors is an integer number (1420458831855).

Almost surely, 2^{11303202212221} is an apocalyptic number.

It is an amenable number.

11303202212221 is a deficient number, since it is larger than the sum of its proper divisors (60468442619).

11303202212221 is an equidigital number, since it uses as much as digits as its factorization.

11303202212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78024383.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11303202212221 its reverse (12221220230311), we get a palindrome (23524422442532).

The spelling of 11303202212221 in words is "eleven trillion, three hundred three billion, two hundred two million, two hundred twelve thousand, two hundred twenty-one".