11001213103 has 2 divisors, whose sum is σ = 11001213104. Its totient is φ = 11001213102.

The previous prime is 11001213079. The next prime is 11001213173. The reversal of 11001213103 is 30131210011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001213103 - 2²¹ = 10999115951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001213173) 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, 5500606551 + 5500606552.

It is an arithmetic number, because the mean of its divisors is an integer number (5500606552).

Almost surely, 2^11001213103 is an apocalyptic number.

11001213103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001213103 is an equidigital number, since it uses as much as digits as its factorization.

11001213103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11001213103 its reverse (30131210011), we get a palindrome (41132423114).

The spelling of 11001213103 in words is "eleven billion, one million, two hundred thirteen thousand, one hundred three".