1103302221220 has 96 divisors (see below), whose sum is σ = 2551110266880. Its totient is φ = 398937692160.

The previous prime is 1103302221157. The next prime is 1103302221227. The reversal of 1103302221220 is 221222033011.

It is not an unprimeable number, because it can be changed into a prime (1103302221227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590337 + ... + 2176183.

It is an arithmetic number, because the mean of its divisors is an integer number (26574065280).

Almost surely, 2^{1103302221220} is an apocalyptic number.

1103302221220 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 1103302221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275555133440).

1103302221220 is an abundant number, since it is smaller than the sum of its proper divisors (1447808045660).

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

1103302221220 is a wasteful number, since it uses less digits than its factorization.

1103302221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586093 (or 586091 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1103302221220 its reverse (221222033011), we get a palindrome (1324524254231).

The spelling of 1103302221220 in words is "one trillion, one hundred three billion, three hundred two million, two hundred twenty-one thousand, two hundred twenty".