1321103303102 has 32 divisors (see below), whose sum is σ = 2289449129184. Its totient is φ = 565059686400.

The previous prime is 1321103303089. The next prime is 1321103303147. The reversal of 1321103303102 is 2013033011231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433102 + ... + 2167022.

It is an arithmetic number, because the mean of its divisors is an integer number (71545285287).

Almost surely, 2^{1321103303102} is an apocalyptic number.

1321103303102 is a deficient number, since it is larger than the sum of its proper divisors (968345826082).

1321103303102 is a wasteful number, since it uses less digits than its factorization.

1321103303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738764.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1321103303102 its reverse (2013033011231), we get a palindrome (3334136314333).

The spelling of 1321103303102 in words is "one trillion, three hundred twenty-one billion, one hundred three million, three hundred three thousand, one hundred two".