11103011220949 has 2 divisors, whose sum is σ = 11103011220950. Its totient is φ = 11103011220948.

The previous prime is 11103011220947. The next prime is 11103011221033. The reversal of 11103011220949 is 94902211030111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11083406180625 + 19605040324 = 3329175^2 + 140018^2 .

It is an emirp because it is prime and its reverse (94902211030111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11103011220949 - 2¹ = 11103011220947 is a prime.

Together with 11103011220947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103011220941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551505610474 + 5551505610475.

It is an arithmetic number, because the mean of its divisors is an integer number (5551505610475).

Almost surely, 2^{11103011220949} is an apocalyptic number.

It is an amenable number.

11103011220949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103011220949 is an equidigital number, since it uses as much as digits as its factorization.

11103011220949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11103011220949 in words is "eleven trillion, one hundred three billion, eleven million, two hundred twenty thousand, nine hundred forty-nine".