1021422234289 has 2 divisors, whose sum is σ = 1021422234290. Its totient is φ = 1021422234288.

The previous prime is 1021422234227. The next prime is 1021422234341. The reversal of 1021422234289 is 9824322241201.

It is a happy number.

1021422234289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730183922064 + 291238312225 = 854508^2 + 539665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021422234289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021422234689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510711117144 + 510711117145.

It is an arithmetic number, because the mean of its divisors is an integer number (510711117145).

Almost surely, 2^{1021422234289} is an apocalyptic number.

It is an amenable number.

1021422234289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021422234289 is an equidigital number, since it uses as much as digits as its factorization.

1021422234289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 1021422234289 in words is "one trillion, twenty-one billion, four hundred twenty-two million, two hundred thirty-four thousand, two hundred eighty-nine".