11001122022 has 64 divisors (see below), whose sum is σ = 24551424000. Its totient is φ = 3257650080.

The previous prime is 11001121979. The next prime is 11001122029. The reversal of 11001122022 is 22022110011.

It is a junction number, because it is equal to n+sod(n) for n = 11001121989 and 11001122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001122029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2289979 + ... + 2294777.

It is an arithmetic number, because the mean of its divisors is an integer number (383616000).

Almost surely, 2^11001122022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11001122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12275712000).

11001122022 is an abundant number, since it is smaller than the sum of its proper divisors (13550301978).

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

11001122022 is a wasteful number, since it uses less digits than its factorization.

11001122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001122022 its reverse (22022110011), we get a palindrome (33023232033).

It can be divided in two parts, 110011 and 22022, that multiplied together give a palindrome (2422662242).

The spelling of 11001122022 in words is "eleven billion, one million, one hundred twenty-two thousand, twenty-two".