1100221100022 has 64 divisors (see below), whose sum is σ = 2468367675648. Its totient is φ = 323993808000.

The previous prime is 1100221100003. The next prime is 1100221100047. The reversal of 1100221100022 is 2200011220011.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1100221099980 and 1100221100007.

It is a congruent number.

It is an unprimeable number.

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, 1730497 + ... + 2279267.

It is an arithmetic number, because the mean of its divisors is an integer number (38568244932).

Almost surely, 2^{1100221100022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100221100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234183837824).

1100221100022 is an abundant number, since it is smaller than the sum of its proper divisors (1368146575626).

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

1100221100022 is a wasteful number, since it uses less digits than its factorization.

1100221100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549645.

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

Adding to 1100221100022 its reverse (2200011220011), we get a palindrome (3300232320033).

It can be divided in two parts, 1100 and 221100022, that added together give a palindrome (221101122).

The spelling of 1100221100022 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred thousand, twenty-two".