1103420020013 has 2 divisors, whose sum is σ = 1103420020014. Its totient is φ = 1103420020012.

The previous prime is 1103420020009. The next prime is 1103420020039. The reversal of 1103420020013 is 3100200243011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813456078724 + 289963941289 = 901918^2 + 538483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103420020013 - 2² = 1103420020009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103420019973 and 1103420020000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103420026013) 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, 551710010006 + 551710010007.

It is an arithmetic number, because the mean of its divisors is an integer number (551710010007).

Almost surely, 2^{1103420020013} is an apocalyptic number.

It is an amenable number.

1103420020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103420020013 is an equidigital number, since it uses as much as digits as its factorization.

1103420020013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1103420020013 its reverse (3100200243011), we get a palindrome (4203620263024).

The spelling of 1103420020013 in words is "one trillion, one hundred three billion, four hundred twenty million, twenty thousand, thirteen".