10011323321 has 4 divisors (see below), whose sum is σ = 10446598272. Its totient is φ = 9576048372.

The previous prime is 10011323317. The next prime is 10011323347. The reversal of 10011323321 is 12332311001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12332311001 = 107 ⋅115255243.

It is a cyclic number.

It is not a de Polignac number, because 10011323321 - 2² = 10011323317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10011323321.

It is not an unprimeable number, because it can be changed into a prime (10011323381) 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, 217637441 + ... + 217637486.

It is an arithmetic number, because the mean of its divisors is an integer number (2611649568).

Almost surely, 2^10011323321 is an apocalyptic number.

It is an amenable number.

10011323321 is a deficient number, since it is larger than the sum of its proper divisors (435274951).

10011323321 is an equidigital number, since it uses as much as digits as its factorization.

10011323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435274950.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10011323321 its reverse (12332311001), we get a palindrome (22343634322).

The spelling of 10011323321 in words is "ten billion, eleven million, three hundred twenty-three thousand, three hundred twenty-one".