1103311213320 has 32 divisors (see below), whose sum is σ = 3309933640320. Its totient is φ = 294216323520.

The previous prime is 1103311213283. The next prime is 1103311213321. The reversal of 1103311213320 is 233121133011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1103311213321) 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, 4597129936 + ... + 4597130175.

It is an arithmetic number, because the mean of its divisors is an integer number (103435426260).

Almost surely, 2^{1103311213320} is an apocalyptic number.

1103311213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103311213320 is an abundant number, since it is smaller than the sum of its proper divisors (2206622427000).

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

1103311213320 is a wasteful number, since it uses less digits than its factorization.

1103311213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194260125 (or 9194260121 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1103311213320 its reverse (233121133011), we get a palindrome (1336432346331).

The spelling of 1103311213320 in words is "one trillion, one hundred three billion, three hundred eleven million, two hundred thirteen thousand, three hundred twenty".