11000323421 has 2 divisors, whose sum is σ = 11000323422. Its totient is φ = 11000323420.

The previous prime is 11000323403. The next prime is 11000323441. The reversal of 11000323421 is 12432300011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5850108196 + 5150215225 = 76486^2 + 71765^2 .

It is an emirp because it is prime and its reverse (12432300011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11000323421 - 2⁶ = 11000323357 is a prime.

It is a super-2 number, since 2×11000323421² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11000323421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000323441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500161710 + 5500161711.

It is an arithmetic number, because the mean of its divisors is an integer number (5500161711).

Almost surely, 2^11000323421 is an apocalyptic number.

It is an amenable number.

11000323421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000323421 is an equidigital number, since it uses as much as digits as its factorization.

11000323421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11000323421 its reverse (12432300011), we get a palindrome (23432623432).

The spelling of 11000323421 in words is "eleven billion, three hundred twenty-three thousand, four hundred twenty-one".