20012211022043 has 2 divisors, whose sum is σ = 20012211022044. Its totient is φ = 20012211022042.

The previous prime is 20012211022021. The next prime is 20012211022081. The reversal of 20012211022043 is 34022011221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012211022043 - 2³⁰ = 20011137280219 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012211022093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006105511021 + 10006105511022.

It is an arithmetic number, because the mean of its divisors is an integer number (10006105511022).

Almost surely, 2^{20012211022043} is an apocalyptic number.

20012211022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012211022043 is an equidigital number, since it uses as much as digits as its factorization.

20012211022043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20012211022043 its reverse (34022011221002), we get a palindrome (54034222243045).

The spelling of 20012211022043 in words is "twenty trillion, twelve billion, two hundred eleven million, twenty-two thousand, forty-three".