1320210314021 has 2 divisors, whose sum is σ = 1320210314022. Its totient is φ = 1320210314020.

The previous prime is 1320210313999. The next prime is 1320210314039. The reversal of 1320210314021 is 1204130120231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990102611521 + 330107702500 = 995039^2 + 574550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320210314021 - 2³⁰ = 1319136572197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320210313984 and 1320210314002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320210314921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660105157010 + 660105157011.

It is an arithmetic number, because the mean of its divisors is an integer number (660105157011).

Almost surely, 2^{1320210314021} is an apocalyptic number.

It is an amenable number.

1320210314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210314021 is an equidigital number, since it uses as much as digits as its factorization.

1320210314021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1320210314021 its reverse (1204130120231), we get a palindrome (2524340434252).

The spelling of 1320210314021 in words is "one trillion, three hundred twenty billion, two hundred ten million, three hundred fourteen thousand, twenty-one".