1112321219 has 2 divisors, whose sum is σ = 1112321220. Its totient is φ = 1112321218.

The previous prime is 1112321209. The next prime is 1112321233. The reversal of 1112321219 is 9121232111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112321219 is a prime.

It is a super-2 number, since 2×1112321219² = 2474516988475291922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112321194 and 1112321203.

It is not a weakly prime, because it can be changed into another prime (1112321209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556160609 + 556160610.

It is an arithmetic number, because the mean of its divisors is an integer number (556160610).

Almost surely, 2^1112321219 is an apocalyptic number.

1112321219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112321219 is an equidigital number, since it uses as much as digits as its factorization.

1112321219 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 1112321219 is about 33351.4800121374. The cubic root of 1112321219 is about 1036.1200408873.

The spelling of 1112321219 in words is "one billion, one hundred twelve million, three hundred twenty-one thousand, two hundred nineteen".