1100220220220 has 48 divisors (see below), whose sum is σ = 2653162646400. Its totient is φ = 379023232320.

The previous prime is 1100220220217. The next prime is 1100220220243. The reversal of 1100220220220 is 220220220011.

1100220220220 is a modest number, since divided by 220220220 gives 1100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1100220220195 and 1100220220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131601110 + ... + 131609469.

It is an arithmetic number, because the mean of its divisors is an integer number (55274221800).

Almost surely, 2^{1100220220220} is an apocalyptic number.

1100220220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100220220220 is an abundant number, since it is smaller than the sum of its proper divisors (1552942426180).

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

1100220220220 is a wasteful number, since it uses less digits than its factorization.

1100220220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263210618 (or 263210616 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1100220220220 its reverse (220220220011), we get a palindrome (1320440440231).

The spelling of 1100220220220 in words is "one trillion, one hundred billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty".