20010120112043 has 2 divisors, whose sum is σ = 20010120112044. Its totient is φ = 20010120112042.

The previous prime is 20010120112007. The next prime is 20010120112051. The reversal of 20010120112043 is 34021102101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010120112043 - 2⁶ = 20010120111979 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010120112063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060056021 + 10005060056022.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060056022).

Almost surely, 2^{20010120112043} is an apocalyptic number.

20010120112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010120112043 is an equidigital number, since it uses as much as digits as its factorization.

20010120112043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20010120112043 its reverse (34021102101002), we get a palindrome (54031222213045).

The spelling of 20010120112043 in words is "twenty trillion, ten billion, one hundred twenty million, one hundred twelve thousand, forty-three".