11303220191 has 2 divisors, whose sum is σ = 11303220192. Its totient is φ = 11303220190.

The previous prime is 11303220139. The next prime is 11303220197. The reversal of 11303220191 is 19102230311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11303220191 - 2¹⁸ = 11302958047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303220197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651610095 + 5651610096.

It is an arithmetic number, because the mean of its divisors is an integer number (5651610096).

Almost surely, 2^11303220191 is an apocalyptic number.

11303220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303220191 is an equidigital number, since it uses as much as digits as its factorization.

11303220191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 11303220191 in words is "eleven billion, three hundred three million, two hundred twenty thousand, one hundred ninety-one".