112021210811 has 2 divisors, whose sum is σ = 112021210812. Its totient is φ = 112021210810.

The previous prime is 112021210789. The next prime is 112021210823. The reversal of 112021210811 is 118012120211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112021210811 - 2¹⁰ = 112021209787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (112021210871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010605405 + 56010605406.

It is an arithmetic number, because the mean of its divisors is an integer number (56010605406).

Almost surely, 2^112021210811 is an apocalyptic number.

112021210811 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021210811 is an equidigital number, since it uses as much as digits as its factorization.

112021210811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 112021210811 in words is "one hundred twelve billion, twenty-one million, two hundred ten thousand, eight hundred eleven".