1321401112103 has 8 divisors (see below), whose sum is σ = 1352469326208. Its totient is φ = 1290348259704.

The previous prime is 1321401112067. The next prime is 1321401112117. The reversal of 1321401112103 is 3012111041231.

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 1321401112103 - 2⁶ = 1321401112039 is a prime.

It is a super-2 number, since 2×1321401112103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321401112303) 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, 3666275 + ... + 4010532.

It is an arithmetic number, because the mean of its divisors is an integer number (169058665776).

Almost surely, 2^{1321401112103} is an apocalyptic number.

1321401112103 is a deficient number, since it is larger than the sum of its proper divisors (31068214105).

1321401112103 is an equidigital number, since it uses as much as digits as its factorization.

1321401112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680853.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1321401112103 its reverse (3012111041231), we get a palindrome (4333512153334).

The spelling of 1321401112103 in words is "one trillion, three hundred twenty-one billion, four hundred one million, one hundred twelve thousand, one hundred three".