11021030321 has 4 divisors (see below), whose sum is σ = 12595463232. Its totient is φ = 9446597412.

The previous prime is 11021030311. The next prime is 11021030407. The reversal of 11021030321 is 12303012011.

11021030321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-11021030321 is a prime.

It is a super-3 number, since 3×11021030321³ (a number of 31 digits) contains 333 as substring.

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 = 11021030296 and 11021030305.

It is not an unprimeable number, because it can be changed into a prime (11021030311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787216445 + ... + 787216458.

It is an arithmetic number, because the mean of its divisors is an integer number (3148865808).

Almost surely, 2^11021030321 is an apocalyptic number.

It is an amenable number.

11021030321 is a deficient number, since it is larger than the sum of its proper divisors (1574432911).

11021030321 is an equidigital number, since it uses as much as digits as its factorization.

11021030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574432910.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11021030321 its reverse (12303012011), we get a palindrome (23324042332).

The spelling of 11021030321 in words is "eleven billion, twenty-one million, thirty thousand, three hundred twenty-one".