1321101101101 has 2 divisors, whose sum is σ = 1321101101102. Its totient is φ = 1321101101100.

The previous prime is 1321101101087. The next prime is 1321101101113. The reversal of 1321101101101 is 1011011011231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1247320417225 + 73780683876 = 1116835^2 + 271626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321101101101 - 2⁹ = 1321101100589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321101101501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660550550550 + 660550550551.

It is an arithmetic number, because the mean of its divisors is an integer number (660550550551).

Almost surely, 2^{1321101101101} is an apocalyptic number.

It is an amenable number.

1321101101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321101101101 is an equidigital number, since it uses as much as digits as its factorization.

1321101101101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1321101101101 its reverse (1011011011231), we get a palindrome (2332112112332).

The spelling of 1321101101101 in words is "one trillion, three hundred twenty-one billion, one hundred one million, one hundred one thousand, one hundred one".