1123212222019 has 2 divisors, whose sum is σ = 1123212222020. Its totient is φ = 1123212222018.

The previous prime is 1123212222007. The next prime is 1123212222029. The reversal of 1123212222019 is 9102222123211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123212222019 - 2⁷ = 1123212221891 is a prime.

It is a super-2 number, since 2×1123212222019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123212222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561606111009 + 561606111010.

It is an arithmetic number, because the mean of its divisors is an integer number (561606111010).

Almost surely, 2^{1123212222019} is an apocalyptic number.

1123212222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123212222019 is an equidigital number, since it uses as much as digits as its factorization.

1123212222019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1123212222019 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, two hundred twenty-two thousand, nineteen".