11123220301 has 2 divisors, whose sum is σ = 11123220302. Its totient is φ = 11123220300.

The previous prime is 11123220223. The next prime is 11123220379. The reversal of 11123220301 is 10302232111.

It is a balanced prime because it is at equal distance from previous prime (11123220223) and next prime (11123220379).

It can be written as a sum of positive squares in only one way, i.e., 6048795076 + 5074425225 = 77774^2 + 71235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123220301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561610150 + 5561610151.

It is an arithmetic number, because the mean of its divisors is an integer number (5561610151).

Almost surely, 2^11123220301 is an apocalyptic number.

It is an amenable number.

11123220301 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123220301 is an equidigital number, since it uses as much as digits as its factorization.

11123220301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11123220301 its reverse (10302232111), we get a palindrome (21425452412).

The spelling of 11123220301 in words is "eleven billion, one hundred twenty-three million, two hundred twenty thousand, three hundred one".