11002122112220 has 96 divisors (see below), whose sum is σ = 24519802507200. Its totient is φ = 4132457902080.

The previous prime is 11002122112213. The next prime is 11002122112243. The reversal of 11002122112220 is 2221122120011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378364322 + ... + 378393398.

It is an arithmetic number, because the mean of its divisors is an integer number (255414609450).

Almost surely, 2^{11002122112220} is an apocalyptic number.

11002122112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11002122112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12259901253600).

11002122112220 is an abundant number, since it is smaller than the sum of its proper divisors (13517680394980).

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

11002122112220 is a wasteful number, since it uses less digits than its factorization.

11002122112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31623 (or 31621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11002122112220 its reverse (2221122120011), we get a palindrome (13223244232231).

The spelling of 11002122112220 in words is "eleven trillion, two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".