3123021121019 has 2 divisors, whose sum is σ = 3123021121020. Its totient is φ = 3123021121018.

The previous prime is 3123021120913. The next prime is 3123021121021. The reversal of 3123021121019 is 9101211203213.

3123021121019 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9101211203213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3123021121019 - 2¹² = 3123021116923 is a prime.

It is a super-2 number, since 2×3123021121019² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 3123021121021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3123071121019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561510560509 + 1561510560510.

It is an arithmetic number, because the mean of its divisors is an integer number (1561510560510).

Almost surely, 2^{3123021121019} is an apocalyptic number.

3123021121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123021121019 is an equidigital number, since it uses as much as digits as its factorization.

3123021121019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 3123021121019 in words is "three trillion, one hundred twenty-three billion, twenty-one million, one hundred twenty-one thousand, nineteen".