11021221102000 has 80 divisors (see below), whose sum is σ = 27216319508352. Its totient is φ = 4314690777600.

The previous prime is 11021221101997. The next prime is 11021221102007. The reversal of 11021221102000 is 20112212011.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (11021221102007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58529517 + ... + 58717516.

Almost surely, 2^{11021221102000} is an apocalyptic number.

11021221102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021221102000 is an abundant number, since it is smaller than the sum of its proper divisors (16195098406352).

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

11021221102000 is a wasteful number, since it uses less digits than its factorization.

11021221102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117247103 (or 117247087 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021221102000 its reverse (20112212011), we get a palindrome (11041333314011).

The spelling of 11021221102000 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred two thousand".