1103322230220 has 288 divisors, whose sum is σ = 3798040135680. Its totient is φ = 234346844160.

The previous prime is 1103322230209. The next prime is 1103322230221. The reversal of 1103322230220 is 220322233011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1103322230221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9531490 + ... + 9646550.

It is an arithmetic number, because the mean of its divisors is an integer number (13187639360).

Almost surely, 2^{1103322230220} is an apocalyptic number.

1103322230220 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 1103322230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899020067840).

1103322230220 is an abundant number, since it is smaller than the sum of its proper divisors (2694717905460).

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

1103322230220 is a wasteful number, since it uses less digits than its factorization.

1103322230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115193 (or 115174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1103322230220 its reverse (220322233011), we get a palindrome (1323644463231).

The spelling of 1103322230220 in words is "one trillion, one hundred three billion, three hundred twenty-two million, two hundred thirty thousand, two hundred twenty".