11012221100000 has 72 divisors (see below), whose sum is σ = 27098653684536. Its totient is φ = 4404888400000.

The previous prime is 11012221099991. The next prime is 11012221100011. The reversal of 11012221100000 is 112221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54961106 + ... + 55161105.

It is an arithmetic number, because the mean of its divisors is an integer number (376370190063).

Almost surely, 2^{11012221100000} is an apocalyptic number.

11012221100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012221100000 is an abundant number, since it is smaller than the sum of its proper divisors (16086432584536).

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

11012221100000 is an frugal number, since it uses more digits than its factorization.

11012221100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110122246 (or 110122218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11012221100000 its reverse (112221011), we get a palindrome (11012333321011).

The spelling of 11012221100000 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one hundred thousand".