1121012001019 has 2 divisors, whose sum is σ = 1121012001020. Its totient is φ = 1121012001018.

The previous prime is 1121012001017. The next prime is 1121012001203. The reversal of 1121012001019 is 9101002101211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121012001019 - 2¹ = 1121012001017 is a prime.

It is a super-2 number, since 2×1121012001019² (a number of 25 digits) contains 22 as substring.

Together with 1121012001017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1121012000987 and 1121012001005.

It is not a weakly prime, because it can be changed into another prime (1121012001017) 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, 560506000509 + 560506000510.

It is an arithmetic number, because the mean of its divisors is an integer number (560506000510).

Almost surely, 2^{1121012001019} is an apocalyptic number.

1121012001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121012001019 is an equidigital number, since it uses as much as digits as its factorization.

1121012001019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1121012001019 in words is "one trillion, one hundred twenty-one billion, twelve million, one thousand, nineteen".