1321123103110 has 32 divisors (see below), whose sum is σ = 2436698339712. Its totient is φ = 515417118720.

The previous prime is 1321123103107. The next prime is 1321123103141. The reversal of 1321123103110 is 113013211231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037539 + ... + 1928401.

It is an arithmetic number, because the mean of its divisors is an integer number (76146823116).

Almost surely, 2^{1321123103110} is an apocalyptic number.

1321123103110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321123103110 is a deficient number, since it is larger than the sum of its proper divisors (1115575236602).

1321123103110 is a wasteful number, since it uses less digits than its factorization.

1321123103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894528.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1321123103110 its reverse (113013211231), we get a palindrome (1434136314341).

The spelling of 1321123103110 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-three million, one hundred three thousand, one hundred ten".