1100013223220 has 24 divisors (see below), whose sum is σ = 2310076667808. Its totient is φ = 439995975200.

The previous prime is 1100013223187. The next prime is 1100013223223. The reversal of 1100013223220 is 223223100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100013223223) 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 7 ways as a sum of consecutive naturals, for example, 429155 + ... + 1544085.

It is an arithmetic number, because the mean of its divisors is an integer number (96253194492).

Almost surely, 2^{1100013223220} is an apocalyptic number.

1100013223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100013223220 is an abundant number, since it is smaller than the sum of its proper divisors (1210063444588).

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

1100013223220 is a wasteful number, since it uses less digits than its factorization.

1100013223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164271 (or 1164269 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1100013223220 its reverse (223223100011), we get a palindrome (1323236323231).

The spelling of 1100013223220 in words is "one trillion, one hundred billion, thirteen million, two hundred twenty-three thousand, two hundred twenty".