1100013030220 has 96 divisors (see below), whose sum is σ = 2508530492160. Its totient is φ = 402775511040.

The previous prime is 1100013030209. The next prime is 1100013030227. The reversal of 1100013030220 is 220303100011.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1100013030220.

It is not an unprimeable number, because it can be changed into a prime (1100013030227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14939014 + ... + 15012466.

It is an arithmetic number, because the mean of its divisors is an integer number (26130525960).

Almost surely, 2^{1100013030220} is an apocalyptic number.

1100013030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100013030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254265246080).

1100013030220 is an abundant number, since it is smaller than the sum of its proper divisors (1408517461940).

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

1100013030220 is a wasteful number, since it uses less digits than its factorization.

1100013030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73955 (or 73953 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1100013030220 its reverse (220303100011), we get a palindrome (1320316130231).

The spelling of 1100013030220 in words is "one trillion, one hundred billion, thirteen million, thirty thousand, two hundred twenty".