11302013221 has 4 divisors (see below), whose sum is σ = 11413914444. Its totient is φ = 11190112000.

The previous prime is 11302013213. The next prime is 11302013267. The reversal of 11302013221 is 12231020311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10683496321 + 618516900 = 103361^2 + 24870^2 .

It is a cyclic number.

It is not a de Polignac number, because 11302013221 - 2³ = 11302013213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11302013195 and 11302013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302014221) 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, 55950460 + ... + 55950661.

It is an arithmetic number, because the mean of its divisors is an integer number (2853478611).

Almost surely, 2^11302013221 is an apocalyptic number.

It is an amenable number.

11302013221 is a deficient number, since it is larger than the sum of its proper divisors (111901223).

11302013221 is a wasteful number, since it uses less digits than its factorization.

11302013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111901222.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11302013221 its reverse (12231020311), we get a palindrome (23533033532).

The spelling of 11302013221 in words is "eleven billion, three hundred two million, thirteen thousand, two hundred twenty-one".