11020211321 has 8 divisors (see below), whose sum is σ = 12595253760. Its totient is φ = 9445350528.

The previous prime is 11020211317. The next prime is 11020211357. The reversal of 11020211321 is 12311202011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020211321 - 2² = 11020211317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020211296 and 11020211305.

It is not an unprimeable number, because it can be changed into a prime (11020211021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129545 + ... + 197033.

It is an arithmetic number, because the mean of its divisors is an integer number (1574406720).

Almost surely, 2^11020211321 is an apocalyptic number.

It is an amenable number.

11020211321 is a deficient number, since it is larger than the sum of its proper divisors (1575042439).

11020211321 is an equidigital number, since it uses as much as digits as its factorization.

11020211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90823.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11020211321 its reverse (12311202011), we get a palindrome (23331413332).

The spelling of 11020211321 in words is "eleven billion, twenty million, two hundred eleven thousand, three hundred twenty-one".