11010320101221 has 12 divisors (see below), whose sum is σ = 17077231177632. Its totient is φ = 6291611486328.

The previous prime is 11010320101201. The next prime is 11010320101241. The reversal of 11010320101221 is 12210102301011.

It is an interprime number because it is at equal distance from previous prime (11010320101201) and next prime (11010320101241).

It is not a de Polignac number, because 11010320101221 - 2⁷ = 11010320101093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010320101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010320101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37450068225 + ... + 37450068518.

It is an arithmetic number, because the mean of its divisors is an integer number (1423102598136).

Almost surely, 2^{11010320101221} is an apocalyptic number.

It is an amenable number.

11010320101221 is a deficient number, since it is larger than the sum of its proper divisors (6066911076411).

11010320101221 is an equidigital number, since it uses as much as digits as its factorization.

11010320101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74900136760 (or 74900136753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11010320101221 its reverse (12210102301011), we get a palindrome (23220422402232).

The spelling of 11010320101221 in words is "eleven trillion, ten billion, three hundred twenty million, one hundred one thousand, two hundred twenty-one".