1100221020320 has 48 divisors (see below), whose sum is σ = 2600050023648. Its totient is φ = 439956706560.

The previous prime is 1100221020319. The next prime is 1100221020323. The reversal of 1100221020320 is 230201220011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100221020295 and 1100221020304.

It is not an unprimeable number, because it can be changed into a prime (1100221020323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491726 + ... + 1562765.

It is an arithmetic number, because the mean of its divisors is an integer number (54167708826).

Almost surely, 2^{1100221020320} is an apocalyptic number.

1100221020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100221020320 is an abundant number, since it is smaller than the sum of its proper divisors (1499829003328).

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

1100221020320 is a wasteful number, since it uses less digits than its factorization.

1100221020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057853 (or 2057845 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1100221020320 its reverse (230201220011), we get a palindrome (1330422240331).

The spelling of 1100221020320 in words is "one trillion, one hundred billion, two hundred twenty-one million, twenty thousand, three hundred twenty".