11421119 has 2 divisors, whose sum is σ = 11421120. Its totient is φ = 11421118.

The previous prime is 11421079. The next prime is 11421121. The reversal of 11421119 is 91112411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11421119 - 2⁸ = 11420863 is a prime.

It is a super-2 number, since 2×11421119² = 260883918424322, which contains 22 as substring.

Together with 11421121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11421119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11421149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710559 + 5710560.

It is an arithmetic number, because the mean of its divisors is an integer number (5710560).

Almost surely, 2^11421119 is an apocalyptic number.

11421119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421119 is an equidigital number, since it uses as much as digits as its factorization.

11421119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 20.

The square root of 11421119 is about 3379.5146101178. The cubic root of 11421119 is about 225.2006046316.

The spelling of 11421119 in words is "eleven million, four hundred twenty-one thousand, one hundred nineteen".