1103113203220 has 24 divisors (see below), whose sum is σ = 2647471688064. Its totient is φ = 378210241056.

The previous prime is 1103113203211. The next prime is 1103113203221. The reversal of 1103113203220 is 223023113011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103113203221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3939689872 + ... + 3939690151.

It is an arithmetic number, because the mean of its divisors is an integer number (110311320336).

Almost surely, 2^{1103113203220} is an apocalyptic number.

1103113203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103113203220 is an abundant number, since it is smaller than the sum of its proper divisors (1544358484844).

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

1103113203220 is a wasteful number, since it uses less digits than its factorization.

1103113203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879380039 (or 7879380037 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1103113203220 its reverse (223023113011), we get a palindrome (1326136316231).

The spelling of 1103113203220 in words is "one trillion, one hundred three billion, one hundred thirteen million, two hundred three thousand, two hundred twenty".