1210011121219 has 2 divisors, whose sum is σ = 1210011121220. Its totient is φ = 1210011121218.

The previous prime is 1210011121217. The next prime is 1210011121309. The reversal of 1210011121219 is 9121211100121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210011121219 - 2¹ = 1210011121217 is a prime.

It is a super-2 number, since 2×1210011121219² (a number of 25 digits) contains 22 as substring.

Together with 1210011121217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1210011121219.

It is not a weakly prime, because it can be changed into another prime (1210011121217) 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, 605005560609 + 605005560610.

It is an arithmetic number, because the mean of its divisors is an integer number (605005560610).

Almost surely, 2^{1210011121219} is an apocalyptic number.

1210011121219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210011121219 is an equidigital number, since it uses as much as digits as its factorization.

1210011121219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1210011121219 in words is "one trillion, two hundred ten billion, eleven million, one hundred twenty-one thousand, two hundred nineteen".