1121011010219 has 2 divisors, whose sum is σ = 1121011010220. Its totient is φ = 1121011010218.

The previous prime is 1121011010201. The next prime is 1121011010239. The reversal of 1121011010219 is 9120101101211.

It is an a-pointer prime, because the next prime (1121011010239) can be obtained adding 1121011010219 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121011010219 is a prime.

It is a super-2 number, since 2×1121011010219² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121011010219.

It is not a weakly prime, because it can be changed into another prime (1121011010239) 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, 560505505109 + 560505505110.

It is an arithmetic number, because the mean of its divisors is an integer number (560505505110).

Almost surely, 2^{1121011010219} is an apocalyptic number.

1121011010219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121011010219 is an equidigital number, since it uses as much as digits as its factorization.

1121011010219 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 20.

The spelling of 1121011010219 in words is "one trillion, one hundred twenty-one billion, eleven million, ten thousand, two hundred nineteen".