11220011011212 has 48 divisors (see below), whose sum is σ = 26269030039392. Its totient is φ = 3727309980160.

The previous prime is 11220011011207. The next prime is 11220011011309. The reversal of 11220011011212 is 21211011002211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220011011191 and 11220011011200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2907178 + ... + 5558030.

It is an arithmetic number, because the mean of its divisors is an integer number (547271459154).

Almost surely, 2^{11220011011212} is an apocalyptic number.

11220011011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220011011212 is an abundant number, since it is smaller than the sum of its proper divisors (15049019028180).

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

11220011011212 is a wasteful number, since it uses less digits than its factorization.

11220011011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652058 (or 2652056 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220011011212 its reverse (21211011002211), we get a palindrome (32431022013423).

Subtracting 11220011011212 from its reverse (21211011002211), we obtain a palindrome (9990999990999).

The spelling of 11220011011212 in words is "eleven trillion, two hundred twenty billion, eleven million, eleven thousand, two hundred twelve".