1321003103101 has 8 divisors (see below), whose sum is σ = 1442676187008. Its totient is φ = 1199593668000.

The previous prime is 1321003103009. The next prime is 1321003103131. The reversal of 1321003103101 is 1013013001231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1321003103101 - 2²⁵ = 1320969548669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321003103131) 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, 65901720 + ... + 65921761.

It is an arithmetic number, because the mean of its divisors is an integer number (180334523376).

Almost surely, 2^{1321003103101} is an apocalyptic number.

1321003103101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321003103101 is a deficient number, since it is larger than the sum of its proper divisors (121673083907).

1321003103101 is a wasteful number, since it uses less digits than its factorization.

1321003103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131824403.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1321003103101 its reverse (1013013001231), we get a palindrome (2334016104332).

The spelling of 1321003103101 in words is "one trillion, three hundred twenty-one billion, three million, one hundred three thousand, one hundred one".