11221120333212 has 96 divisors (see below), whose sum is σ = 27188790773760. Its totient is φ = 3598084842240.

The previous prime is 11221120333151. The next prime is 11221120333223. The reversal of 11221120333212 is 21233302112211.

11221120333212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11221120333212³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399186214 + ... + 399214322.

It is an arithmetic number, because the mean of its divisors is an integer number (283216570560).

Almost surely, 2^{11221120333212} is an apocalyptic number.

11221120333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221120333212 is an abundant number, since it is smaller than the sum of its proper divisors (15967670440548).

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

11221120333212 is a wasteful number, since it uses less digits than its factorization.

11221120333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34523 (or 34521 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11221120333212 its reverse (21233302112211), we get a palindrome (32454422445423).

The spelling of 11221120333212 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, three hundred thirty-three thousand, two hundred twelve".