1321102003311 has 6 divisors (see below), whose sum is σ = 1908258449240. Its totient is φ = 880734668868.

The previous prime is 1321102003219. The next prime is 1321102003337. The reversal of 1321102003311 is 1133002011231.

1321102003311 is a `hidden beast` number, since 1 + 321 + 10 + 2 + 0 + 0 + 331 + 1 = 666.

It is not a de Polignac number, because 1321102003311 - 2¹⁵ = 1321101970543 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 (1321102053311) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 73394555731 + ... + 73394555748.

Almost surely, 2^{1321102003311} is an apocalyptic number.

1321102003311 is a deficient number, since it is larger than the sum of its proper divisors (587156445929).

1321102003311 is a wasteful number, since it uses less digits than its factorization.

1321102003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146789111485 (or 146789111482 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1321102003311 its reverse (1133002011231), we get a palindrome (2454104014542).

The spelling of 1321102003311 in words is "one trillion, three hundred twenty-one billion, one hundred two million, three thousand, three hundred eleven".