1121220104819 has 2 divisors, whose sum is σ = 1121220104820. Its totient is φ = 1121220104818.

The previous prime is 1121220104813. The next prime is 1121220104831. The reversal of 1121220104819 is 9184010221211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121220104819 is a prime.

It is a super-2 number, since 2×1121220104819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121220104813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610052409 + 560610052410.

It is an arithmetic number, because the mean of its divisors is an integer number (560610052410).

Almost surely, 2^{1121220104819} is an apocalyptic number.

1121220104819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121220104819 is an equidigital number, since it uses as much as digits as its factorization.

1121220104819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 1121220104819 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, one hundred four thousand, eight hundred nineteen".