1022001111811 has 2 divisors, whose sum is σ = 1022001111812. Its totient is φ = 1022001111810.

The previous prime is 1022001111797. The next prime is 1022001111839. The reversal of 1022001111811 is 1181111002201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022001111811 - 2⁷ = 1022001111683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022001151811) 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, 511000555905 + 511000555906.

It is an arithmetic number, because the mean of its divisors is an integer number (511000555906).

Almost surely, 2^{1022001111811} is an apocalyptic number.

1022001111811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022001111811 is an equidigital number, since it uses as much as digits as its factorization.

1022001111811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 19.

The spelling of 1022001111811 in words is "one trillion, twenty-two billion, one million, one hundred eleven thousand, eight hundred eleven".