1109121119 has 2 divisors, whose sum is σ = 1109121120. Its totient is φ = 1109121118.

The previous prime is 1109121113. The next prime is 1109121133. The reversal of 1109121119 is 9111219011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109121119 - 2²⁰ = 1108072543 is a prime.

It is a super-2 number, since 2×1109121119² = 2460299313223624322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554560559 + 554560560.

It is an arithmetic number, because the mean of its divisors is an integer number (554560560).

Almost surely, 2^1109121119 is an apocalyptic number.

1109121119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109121119 is an equidigital number, since it uses as much as digits as its factorization.

1109121119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 26.

The square root of 1109121119 is about 33303.4700744532. The cubic root of 1109121119 is about 1035.1254623205.

The spelling of 1109121119 in words is "one billion, one hundred nine million, one hundred twenty-one thousand, one hundred nineteen".