20112343321019 has 2 divisors, whose sum is σ = 20112343321020. Its totient is φ = 20112343321018.

The previous prime is 20112343321003. The next prime is 20112343321033. The reversal of 20112343321019 is 91012334321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112343321019 - 2⁴ = 20112343321003 is a prime.

It is a super-2 number, since 2×20112343321019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20112340321019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056171660509 + 10056171660510.

It is an arithmetic number, because the mean of its divisors is an integer number (10056171660510).

Almost surely, 2^{20112343321019} is an apocalyptic number.

20112343321019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112343321019 is an equidigital number, since it uses as much as digits as its factorization.

20112343321019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 20112343321019 in words is "twenty trillion, one hundred twelve billion, three hundred forty-three million, three hundred twenty-one thousand, nineteen".