11227091 has 2 divisors, whose sum is σ = 11227092. Its totient is φ = 11227090.

The previous prime is 11227063. The next prime is 11227121. The reversal of 11227091 is 19072211.

It is a weak prime.

It is an emirp because it is prime and its reverse (19072211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11227091 - 2¹⁰ = 11226067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11227291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5613545 + 5613546.

It is an arithmetic number, because the mean of its divisors is an integer number (5613546).

Almost surely, 2^11227091 is an apocalyptic number.

11227091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11227091 is an equidigital number, since it uses as much as digits as its factorization.

11227091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11227091 is about 3350.6851538156. The cubic root of 11227091 is about 223.9180384132.

The spelling of 11227091 in words is "eleven million, two hundred twenty-seven thousand, ninety-one".