1320321213110 has 16 divisors (see below), whose sum is σ = 2376597446496. Its totient is φ = 528124204608.

The previous prime is 1320321213103. The next prime is 1320321213161. The reversal of 1320321213110 is 113121230231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959039 + ... + 1886901.

It is an arithmetic number, because the mean of its divisors is an integer number (148537340406).

Almost surely, 2^{1320321213110} is an apocalyptic number.

1320321213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320321213110 is a deficient number, since it is larger than the sum of its proper divisors (1056276233386).

1320321213110 is a wasteful number, since it uses less digits than its factorization.

1320321213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070167.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1320321213110 its reverse (113121230231), we get a palindrome (1433442443341).

The spelling of 1320321213110 in words is "one trillion, three hundred twenty billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred ten".