11922611 has 2 divisors, whose sum is σ = 11922612. Its totient is φ = 11922610.

The previous prime is 11922571. The next prime is 11922613. The reversal of 11922611 is 11622911.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11622911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11922611 - 2¹⁰ = 11921587 is a prime.

Together with 11922613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11922613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961305 + 5961306.

It is an arithmetic number, because the mean of its divisors is an integer number (5961306).

Almost surely, 2^11922611 is an apocalyptic number.

11922611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11922611 is an equidigital number, since it uses as much as digits as its factorization.

11922611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

The square root of 11922611 is about 3452.9134075444. The cubic root of 11922611 is about 228.4496295466.

The spelling of 11922611 in words is "eleven million, nine hundred twenty-two thousand, six hundred eleven".