2112022020811 has 2 divisors, whose sum is σ = 2112022020812. Its totient is φ = 2112022020810.

The previous prime is 2112022020799. The next prime is 2112022020821. The reversal of 2112022020811 is 1180202202112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112022020811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112022020821) 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, 1056011010405 + 1056011010406.

It is an arithmetic number, because the mean of its divisors is an integer number (1056011010406).

Almost surely, 2^{2112022020811} is an apocalyptic number.

2112022020811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112022020811 is an equidigital number, since it uses as much as digits as its factorization.

2112022020811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 2112022020811 its reverse (1180202202112), we get a palindrome (3292224222923).

The spelling of 2112022020811 in words is "two trillion, one hundred twelve billion, twenty-two million, twenty thousand, eight hundred eleven".