11122110020 has 96 divisors (see below), whose sum is σ = 26961258240. Its totient is φ = 3775150080.

The previous prime is 11122110019. The next prime is 11122110029. The reversal of 11122110020 is 2001122111.

It is a junction number, because it is equal to n+sod(n) for n = 11122109983 and 11122110010.

It is not an unprimeable number, because it can be changed into a prime (11122110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10138112 + ... + 10139208.

It is an arithmetic number, because the mean of its divisors is an integer number (280846440).

Almost surely, 2^11122110020 is an apocalyptic number.

11122110020 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 11122110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13480629120).

11122110020 is an abundant number, since it is smaller than the sum of its proper divisors (15839148220).

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

11122110020 is a wasteful number, since it uses less digits than its factorization.

11122110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).

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

Adding to 11122110020 its reverse (2001122111), we get a palindrome (13123232131).

The spelling of 11122110020 in words is "eleven billion, one hundred twenty-two million, one hundred ten thousand, twenty".