11220300251 has 2 divisors, whose sum is σ = 11220300252. Its totient is φ = 11220300250.

The previous prime is 11220300227. The next prime is 11220300263. The reversal of 11220300251 is 15200302211.

It is a happy number.

11220300251 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 is an emirp because it is prime and its reverse (15200302211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220300251 - 2²² = 11216105947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220300211) 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, 5610150125 + 5610150126.

It is an arithmetic number, because the mean of its divisors is an integer number (5610150126).

Almost surely, 2^11220300251 is an apocalyptic number.

11220300251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220300251 is an equidigital number, since it uses as much as digits as its factorization.

11220300251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 11220300251 its reverse (15200302211), we get a palindrome (26420602462).

The spelling of 11220300251 in words is "eleven billion, two hundred twenty million, three hundred thousand, two hundred fifty-one".