11213202321 has 48 divisors (see below), whose sum is σ = 17223835200. Its totient is φ = 7017446016.

The previous prime is 11213202311. The next prime is 11213202337. The reversal of 11213202321 is 12320231211.

11213202321 is a `hidden beast` number, since 1 + 1 + 21 + 320 + 2 + 321 = 666.

It is not a de Polignac number, because 11213202321 - 2¹³ = 11213194129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11213202294 and 11213202303.

It is not an unprimeable number, because it can be changed into a prime (11213202311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2567886 + ... + 2572248.

It is an arithmetic number, because the mean of its divisors is an integer number (358829900).

Almost surely, 2^11213202321 is an apocalyptic number.

It is an amenable number.

11213202321 is a deficient number, since it is larger than the sum of its proper divisors (6010632879).

11213202321 is a wasteful number, since it uses less digits than its factorization.

11213202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11213202321 its reverse (12320231211), we get a palindrome (23533433532).

The spelling of 11213202321 in words is "eleven billion, two hundred thirteen million, two hundred two thousand, three hundred twenty-one".