11210221111012 has 96 divisors (see below), whose sum is σ = 25900877157120. Its totient is φ = 4110149406720.

The previous prime is 11210221110973. The next prime is 11210221111013. The reversal of 11210221111012 is 21011112201211.

It is a super-3 number, since 3×11210221111012³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11210221111013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40036314 + ... + 40315342.

It is an arithmetic number, because the mean of its divisors is an integer number (269800803720).

Almost surely, 2^{11210221111012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210221111012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12950438578560).

11210221111012 is an abundant number, since it is smaller than the sum of its proper divisors (14690656046108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210221111012 is a wasteful number, since it uses less digits than its factorization.

11210221111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286741 (or 286739 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11210221111012 its reverse (21011112201211), we get a palindrome (32221333312223).

The spelling of 11210221111012 in words is "eleven trillion, two hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, twelve".