11022222110020 has 96 divisors (see below), whose sum is σ = 25440543112320. Its totient is φ = 3978047324160.

The previous prime is 11022222109993. The next prime is 11022222110057. The reversal of 11022222110020 is 2001122222011.

It is a happy number.

It is a super-2 number, since 2×11022222110020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11022222109976 and 11022222110003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26075716 + ... + 26495044.

It is an arithmetic number, because the mean of its divisors is an integer number (265005657420).

Almost surely, 2^{11022222110020} is an apocalyptic number.

11022222110020 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 11022222110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12720271556160).

11022222110020 is an abundant number, since it is smaller than the sum of its proper divisors (14418321002300).

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

11022222110020 is a wasteful number, since it uses less digits than its factorization.

11022222110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420245 (or 420243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11022222110020 its reverse (2001122222011), we get a palindrome (13023344332031).

The spelling of 11022222110020 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, one hundred ten thousand, twenty".