11002021220000 has 120 divisors (see below), whose sum is σ = 27329410364256. Its totient is φ = 4358081376000.

The previous prime is 11002021219829. The next prime is 11002021220009. The reversal of 11002021220000 is 2212020011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11002021220009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 610394 + ... + 4730393.

Almost surely, 2^{11002021220000} is an apocalyptic number.

11002021220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002021220000 is an abundant number, since it is smaller than the sum of its proper divisors (16327389144256).

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

11002021220000 is an equidigital number, since it uses as much as digits as its factorization.

11002021220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340920 (or 5340897 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11002021220000 its reverse (2212020011), we get a palindrome (11004233240011).

The spelling of 11002021220000 in words is "eleven trillion, two billion, twenty-one million, two hundred twenty thousand".