11213112002321 has 4 divisors (see below), whose sum is σ = 11221231563444. Its totient is φ = 11204992441200.

The previous prime is 11213112002303. The next prime is 11213112002341. The reversal of 11213112002321 is 12320021131211.

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 5878374815296 + 5334737187025 = 2424536^2 + 2309705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213112002321 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 = 11213112002293 and 11213112002302.

It is not an unprimeable number, because it can be changed into a prime (11213112002341) 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, 4059778490 + ... + 4059781251.

It is an arithmetic number, because the mean of its divisors is an integer number (2805307890861).

Almost surely, 2^{11213112002321} is an apocalyptic number.

It is an amenable number.

11213112002321 is a deficient number, since it is larger than the sum of its proper divisors (8119561123).

11213112002321 is an equidigital number, since it uses as much as digits as its factorization.

11213112002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119561122.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11213112002321 its reverse (12320021131211), we get a palindrome (23533133133532).

The spelling of 11213112002321 in words is "eleven trillion, two hundred thirteen billion, one hundred twelve million, two thousand, three hundred twenty-one".