20012222092871 has 2 divisors, whose sum is σ = 20012222092872. Its totient is φ = 20012222092870.

The previous prime is 20012222092853. The next prime is 20012222092879. The reversal of 20012222092871 is 17829022221002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012222092871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012222092879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006111046435 + 10006111046436.

It is an arithmetic number, because the mean of its divisors is an integer number (10006111046436).

Almost surely, 2^{20012222092871} is an apocalyptic number.

20012222092871 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012222092871 is an equidigital number, since it uses as much as digits as its factorization.

20012222092871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 20012222092871 in words is "twenty trillion, twelve billion, two hundred twenty-two million, ninety-two thousand, eight hundred seventy-one".