11220110249 has 2 divisors, whose sum is σ = 11220110250. Its totient is φ = 11220110248.

The previous prime is 11220110207. The next prime is 11220110273. The reversal of 11220110249 is 94201102211.

11220110249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11220105625 + 4624 = 105925^2 + 68^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220110249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220119249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610055124 + 5610055125.

It is an arithmetic number, because the mean of its divisors is an integer number (5610055125).

Almost surely, 2^11220110249 is an apocalyptic number.

It is an amenable number.

11220110249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220110249 is an equidigital number, since it uses as much as digits as its factorization.

11220110249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11220110249 in words is "eleven billion, two hundred twenty million, one hundred ten thousand, two hundred forty-nine".